/*
 * jsTree 0.9.7
 * http://jstree.com/
 *
 * Copyright (c) 2009 Ivan Bozhanov (vakata.com)
 *
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 *
 * Date: 2009-04-08
 *
 */

(function($) {
	// jQuery plugin
	$.fn.tree = function (opts) {
		return this.each(function() {
			var conf = $.extend({},opts);
			if(tree_component.inst && tree_component.inst[$(this).attr('id')]) tree_component.inst[$(this).attr('id')].destroy();
			if(conf !== false) new tree_component().init(this, conf);
		});
	};
	$.tree_create = function() {
		return new tree_component();
	};
	$.tree_focused = function() {
		return tree_component.inst[tree_component.focused];
	};
	$.tree_reference = function(id) {
		return tree_component.inst[id] || null;
	};

	// rollback
	$.tree_rollback = function(data) {
		for(var i in data) {
			var tmp = tree_component.inst[i];
			var lock = !tmp.locked;

			// if not locked - lock the tree
			if(lock) tmp.lock(true);
			// Cancel ongoing rename
			if(tmp.inp) tmp.inp.val("").blur();
			tmp.context.append = false;
			tmp.container.html(data[i].html).find(".dragged").removeClass("dragged").end().find("div.context").remove();

			if(data[i].selected) {
				tmp.selected = $("#" + data[i].selected);
				tmp.selected_arr = [];
				tmp.container
					.find("a.clicked").each( function () {
						tmp.selected_arr.push(tmp.get_node(this));
					});
			}
			// if this function set the lock - unlock
			if(lock) tmp.lock(false);

			delete lock;
			delete tmp;
		}
	};

	// core
	function tree_component () {
		// instance manager
		if(typeof tree_component.inst == "undefined") {
			tree_component.cntr = 0;
			tree_component.inst = {};

			// DRAG'N'DROP STUFF
			tree_component.drag_drop = {
				isdown		: false,	// Is there a drag
				drag_node	: false,	// The actual node
				drag_help	: false,	// The helper

				init_x		: false,
				init_y		: false,
				moving		: false,

				origin_tree	: false,
				marker		: false,

				move_type	: false,	// before, after or inside
				ref_node	: false,	// reference node
				appended	: false,	// is helper appended

				foreign		: false,	// Is the dragged node a foreign one
				droppable	: [],		// Array of classes that can be dropped onto the tree

				open_time	: false,	// Timeout for opening nodes
				scroll_time	: false		// Timeout for scrolling
			};
			// listening for clicks on foreign nodes
			tree_component.mousedown = function(event) {
				var tmp = $(event.target);
				if(tree_component.drag_drop.droppable.length && tmp.is("." + tree_component.drag_drop.droppable.join(", .")) ) {
					tree_component.drag_drop.drag_help	= $("<li id='dragged' class='dragged foreign " + event.target.className + "'><a href='#'>" + tmp.text() + "</a></li>");
					tree_component.drag_drop.drag_node	= tree_component.drag_drop.drag_help;
					tree_component.drag_drop.isdown		= true;
					tree_component.drag_drop.foreign	= tmp;
					tmp.blur();
					event.preventDefault(); 
					event.stopPropagation();
					return false;
				}
				event.stopPropagation();
				return true;
			};
			tree_component.mouseup = function(event) {
				var tmp = tree_component.drag_drop;
				if(tmp.open_time)	clearTimeout(tmp.open_time);
				if(tmp.scroll_time)	clearTimeout(tmp.scroll_time);
				if(tmp.foreign === false && tmp.drag_node && tmp.drag_node.size()) {
					tmp.drag_help.remove();
					if(tmp.move_type) {
						var tree1 = tree_component.inst[tmp.ref_node.parents(".tree:eq(0)").attr("id")];
						if(tree1) tree1.moved(tmp.origin_tree.container.find("li.dragged"), tmp.ref_node, tmp.move_type, false, (tmp.origin_tree.settings.rules.drag_copy == "on" || (tmp.origin_tree.settings.rules.drag_copy == "ctrl" && event.ctrlKey) ) );
					}
					tmp.move_type	= false;
					tmp.ref_node	= false;
				}
				if(tmp.drag_node && tmp.foreign !== false) {
					tmp.drag_help.remove();
					if(tmp.move_type) {
						var tree1 = tree_component.inst[tmp.ref_node.parents(".tree:eq(0)").attr("id")];
						if(tree1) tree1.settings.callback.ondrop.call(null, tmp.foreign.get(0), tree1.get_node(tmp.ref_node).get(0), tmp.move_type, tree1);
					}
					tmp.foreign		= false;
					tmp.move_type	= false;
					tmp.ref_node	= false;
				}
				// RESET EVERYTHING
				tree_component.drag_drop.marker.hide();
				tmp.drag_help	= false;
				tmp.drag_node	= false;
				tmp.isdown		= false;
				tmp.init_x		= false;
				tmp.init_y		= false;
				tmp.moving		= false;
				tmp.appended	= false;
				if(tmp.origin_tree) tmp.origin_tree.container.find("li.dragged").removeClass("dragged");
				tmp.origin_tree	= false;
				event.preventDefault(); 
				event.stopPropagation();
				return false;
			};
			tree_component.mousemove = function(event) {
				var tmp		= tree_component.drag_drop;

				if(tmp.isdown) {
					if(!tmp.moving && Math.abs(tmp.init_x - event.pageX) < 5 && Math.abs(tmp.init_y - event.pageY) < 5) {
						event.preventDefault();
						event.stopPropagation();
						return false;
					}
					else tree_component.drag_drop.moving = true;

					if(tmp.open_time) clearTimeout(tmp.open_time);
					if(!tmp.appended) {
						if(tmp.foreign !== false) tmp.origin_tree = $.tree_focused();
						tmp.origin_tree.container.children("ul:eq(0)").append(tmp.drag_help);
						var temp = $(tmp.drag_help).offsetParent();
						if(temp.is("html")) temp = $("body");
						tmp.po = temp.offset();
						tmp.po.top -= (temp.is("body")) ? 0 : temp.scrollTop();
						tmp.po.left -= (temp.is("body")) ? 0 : temp.scrollLeft();
						tmp.w = tmp.drag_help.width();
						tmp.appended = true;
					}
					tmp.drag_help.css({ "left" : (event.pageX - tmp.po.left - (tmp.origin_tree.settings.ui.rtl ? tmp.w : -5 ) ), "top" : (event.pageY - tmp.po.top + 15) });

					if(event.target.tagName == "IMG" && event.target.id == "marker") return false;

					var cnt = $(event.target).parents(".tree:eq(0)");

					// if not moving over a tree
					if(cnt.size() == 0) {
						if(tmp.scroll_time) clearTimeout(tmp.scroll_time);
						if(tmp.drag_help.children("IMG").size() == 0) {
							tmp.drag_help.append("<img style='position:absolute; " + (tmp.origin_tree.settings.ui.rtl ? "right" : "left" ) + ":4px; top:0px; background:white; padding:2px;' src='" + tmp.origin_tree.settings.ui.theme_path + "remove.png' />");
						}
						tmp.move_type	= false;
						tmp.ref_node	= false;
						tree_component.drag_drop.marker.hide();
						return false;
					}

					var tree2 = tree_component.inst[cnt.attr("id")];
					tree2.off_height();

					// if moving over another tree and multitree is false
					if( tmp.foreign === false && tmp.origin_tree.container.get(0) != tree2.container.get(0) && (!tmp.origin_tree.settings.rules.multitree || !tree2.settings.rules.multitree) ) {
						if(tmp.drag_help.children("IMG").size() == 0) {
							tmp.drag_help.append("<img style='position:absolute; " + (tmp.origin_tree.settings.ui.rtl ? "right" : "left" ) + ":4px; top:0px; background:white; padding:2px;' src='" + tmp.origin_tree.settings.ui.theme_path + "remove.png' />");
						}
						tmp.move_type	= false;
						tmp.ref_node	= false;
						tree_component.drag_drop.marker.hide();
						return false;
					}

					if(tmp.scroll_time) clearTimeout(tmp.scroll_time);
					tmp.scroll_time = setTimeout( function() { tree2.scrollCheck(event.pageX,event.pageY); }, 50);

					var mov = false;
					var st = cnt.scrollTop();

					var et = $(event.target);
					if(event.target.tagName == "A" ) {
						// just in case if hover is over the draggable
						if(et.is("#dragged")) return false;
						if(tree2.get_node(event.target).hasClass("closed")) {
							tmp.open_time = setTimeout( function () { tree2.open_branch(et); }, 500);
						}

						var atmp = 0;
						var btmp = parseInt($.curCSS(tree2.container.get(0), "borderTopWidth", true),10);
						if(btmp) atmp += btmp;
						var ptmp = parseInt($.curCSS(tree2.container.get(0), "paddingTop", true),10);
						if(ptmp) atmp += ptmp;

						var et_off = et.offset();

						var goTo = { 
							x : (et_off.left - 1),
							y : (event.pageY - et_off.top)
						};

						if(cnt.hasClass("rtl")) goTo.x += et.width() - 8;
						var arr = [];

						if(goTo.y < tree2.li_height/3 + 1 )			arr = ["before","inside","after"];
						else if(goTo.y > tree2.li_height*2/3 - 1 )	arr = ["after","inside","before"];
						else {
							if(goTo.y < tree2.li_height/2)			arr = ["inside","before","after"];
							else									arr = ["inside","after","before"];
						}
						var ok	= false;
						$.each(arr, function(i, val) {
							if(tree2.checkMove(tmp.origin_tree.container.find("li.dragged"), et, val)) {
								mov = val;
								ok = true;
								return false;
							}
						});
						if(ok) {
							switch(mov) {
								case "before":
									goTo.y = et_off.top - 2;
									if(cnt.hasClass("rtl"))	{ tree_component.drag_drop.marker.attr("src", tree2.settings.ui.theme_path + "marker_rtl.gif").width(40); }
									else					{ tree_component.drag_drop.marker.attr("src", tree2.settings.ui.theme_path + "marker.gif").width(40); }
									break;
								case "after":
									goTo.y = et_off.top - 2 + tree2.li_height;
									if(cnt.hasClass("rtl"))	{ tree_component.drag_drop.marker.attr("src", tree2.settings.ui.theme_path + "marker_rtl.gif").width(40); }
									else					{ tree_component.drag_drop.marker.attr("src", tree2.settings.ui.theme_path + "marker.gif").width(40); }
									break;
								case "inside":
									goTo.x -= 2;
									if(cnt.hasClass("rtl")) {
										goTo.x += 36;
									}
									goTo.y = et_off.top - 2 + tree2.li_height/2;
									tree_component.drag_drop.marker.attr("src", tree2.settings.ui.theme_path + "plus.gif").width(11);
									break;
							}
							tmp.move_type	= mov;
							tmp.ref_node	= $(event.target);
							tmp.drag_help.children("IMG").remove();
							tree_component.drag_drop.marker.css({ "left" : goTo.x , "top" : goTo.y }).show();
						}
					}
					if(event.target.tagName != "A" || !ok) {
						if(tmp.drag_help.children("IMG").size() == 0) {
							tmp.drag_help.append("<img style='position:absolute; " + (tmp.origin_tree.settings.ui.rtl ? "right" : "left" ) + ":4px; top:0px; background:white; padding:2px;' src='" + tmp.origin_tree.settings.ui.theme_path + "remove.png' />");
						}
						tmp.move_type	= false;
						tmp.ref_node	= false;
						tree_component.drag_drop.marker.hide();
					}
					event.preventDefault();
					event.stopPropagation();
					return false;
				}
				return true;
			};
		};
		return {
			cntr : ++tree_component.cntr,
			settings : {
				data	: {
					type	: "predefined",	// ENUM [json, xml_flat, xml_nested, predefined]
					method	: "GET",		// HOW TO REQUEST FILES
					async	: false,		// BOOL - async loading onopen
					async_data : function (NODE) { return { id : $(NODE).attr("id") || 0 } }, // PARAMETERS PASSED TO SERVER
					url		: false,		// FALSE or STRING - url to document to be used (async or not)
					json	: false,		// FALSE or OBJECT if type is JSON and async is false - the tree dump as json
					xml		: false			// FALSE or STRING if type is XML_FLAT or XML_NESTED and async is false - a string to generate the tree from
				},
				selected	: false,		// FALSE or STRING or ARRAY
				opened		: [],			// ARRAY OF INITIALLY OPENED NODES
				languages	: [],			// ARRAY of string values (which will be used as CSS classes - so they must be valid)
				path		: false,		// FALSE or STRING (if false - will be autodetected)
				cookies		: false,		// FALSE or OBJECT (prefix, open, selected, opts - from jqCookie - expires, path, domain, secure)
				ui		: {
					dots		: true,		// BOOL - dots or no dots
					rtl			: false,	// BOOL - is the tree right-to-left
					animation	: 0,		// INT - duration of open/close animations in miliseconds
					hover_mode	: true,		// SHOULD get_* functions chage focus or change hovered item
					scroll_spd	: 4,
					theme_path	: false,	// Path to themes
					theme_name	: "default",// Name of theme
					context		: [ 
						{
							id		: "create",
							label	: "Create", 
							icon	: "create.png",
							visible	: function (NODE, TREE_OBJ) { if(NODE.length != 1) return false; return TREE_OBJ.check("creatable", NODE); }, 
							action	: function (NODE, TREE_OBJ) { TREE_OBJ.create(false, TREE_OBJ.get_node(NODE)); } 
						},
						"separator",
						{ 
							id		: "rename",
							label	: "Rename", 
							icon	: "rename.png",
							visible	: function (NODE, TREE_OBJ) { if(NODE.length != 1) return false; return TREE_OBJ.check("renameable", NODE); }, 
							action	: function (NODE, TREE_OBJ) { TREE_OBJ.rename(NODE); } 
						},
						{ 
							id		: "delete",
							label	: "Delete",
							icon	: "remove.png",
							visible	: function (NODE, TREE_OBJ) { var ok = true; $.each(NODE, function () { if(TREE_OBJ.check("deletable", this) == false) ok = false; return false; }); return ok; }, 
							action	: function (NODE, TREE_OBJ) { $.each(NODE, function () { TREE_OBJ.remove(this); }); } 
						}
					]
				},
				rules	: {
					multiple	: false,	// FALSE | CTRL | ON - multiple selection off/ with or without holding Ctrl
					metadata	: false,	// FALSE or STRING - attribute name (use metadata plugin)
					type_attr	: "rel",	// STRING attribute name (where is the type stored if no metadata)
					multitree	: false,	// BOOL - is drag n drop between trees allowed
					createat	: "bottom",	// STRING (top or bottom) new nodes get inserted at top or bottom
					use_inline	: false,	// CHECK FOR INLINE RULES - REQUIRES METADATA
					clickable	: "all",	// which node types can the user select | default - all
					renameable	: "all",	// which node types can the user select | default - all
					deletable	: "all",	// which node types can the user delete | default - all
					creatable	: "all",	// which node types can the user create in | default - all
					draggable	: "none",	// which node types can the user move | default - none | "all"
					dragrules	: "all",	// what move operations between nodes are allowed | default - none | "all"
					drag_copy	: false,	// FALSE | CTRL | ON - drag to copy off/ with or without holding Ctrl
					droppable	: [],
					drag_button	: "left"	// left, right or both
				},
				lang : {
					new_node	: "New folder",
					loading		: "Loading ..."
				},
				callback	: {				// various callbacks to attach custom logic to
					// before focus  - should return true | false
					beforechange: function(NODE,TREE_OBJ) { return true },
					beforeopen	: function(NODE,TREE_OBJ) { return true },
					beforeclose	: function(NODE,TREE_OBJ) { return true },
					// before move   - should return true | false
					beforemove  : function(NODE,REF_NODE,TYPE,TREE_OBJ) { return true }, 
					// before create - should return true | false
					beforecreate: function(NODE,REF_NODE,TYPE,TREE_OBJ) { return true }, 
					// before rename - should return true | false
					beforerename: function(NODE,LANG,TREE_OBJ) { return true }, 
					// before delete - should return true | false
					beforedelete: function(NODE,TREE_OBJ) { return true }, 

					onselect	: function(NODE,TREE_OBJ) { },					// node selected
					ondeselect	: function(NODE,TREE_OBJ) { },					// node deselected
					onchange	: function(NODE,TREE_OBJ) { },					// focus changed
					onrename	: function(NODE,LANG,TREE_OBJ,RB) { },				// node renamed ISNEW - TRUE|FALSE, current language
					onmove		: function(NODE,REF_NODE,TYPE,TREE_OBJ,RB) { },	// move completed (TYPE is BELOW|ABOVE|INSIDE)
					oncopy		: function(NODE,REF_NODE,TYPE,TREE_OBJ,RB) { },	// copy completed (TYPE is BELOW|ABOVE|INSIDE)
					oncreate	: function(NODE,REF_NODE,TYPE,TREE_OBJ,RB) { },	// node created, parent node (TYPE is createat)
					ondelete	: function(NODE,TREE_OBJ,RB) { },				// node deleted
					onopen		: function(NODE,TREE_OBJ) { },					// node opened
					onopen_all	: function(TREE_OBJ) { },						// all nodes opened
					onclose		: function(NODE,TREE_OBJ) { },					// node closed
					error		: function(TEXT,TREE_OBJ) { },					// error occured
					// double click on node - defaults to open/close & select
					ondblclk	: function(NODE,TREE_OBJ) { TREE_OBJ.toggle_branch.call(TREE_OBJ, NODE); TREE_OBJ.select_branch.call(TREE_OBJ, NODE); },
					// right click - to prevent use: EV.preventDefault(); EV.stopPropagation(); return false
					onrgtclk	: function(NODE,TREE_OBJ,EV) { },
					onload		: function(TREE_OBJ) { },
					onfocus		: function(TREE_OBJ) { },
					ondrop		: function(NODE,REF_NODE,TYPE,TREE_OBJ) {}
				}
			},
			// INITIALIZATION
			init : function(elem, opts) {
				var _this = this;
				this.container		= $(elem);
				if(this.container.size == 0) { alert("Invalid container node!"); return }

				tree_component.inst[this.cntr] = this;
				if(!this.container.attr("id")) this.container.attr("id","jstree_" + this.cntr); 
				tree_component.inst[this.container.attr("id")] = tree_component.inst[this.cntr];
				tree_component.focused = this.cntr;

				// MERGE OPTIONS WITH DEFAULTS
				if(opts && opts.cookies) {
					this.settings.cookies = $.extend({},this.settings.cookies,opts.cookies);
					delete opts.cookies;
					if(!this.settings.cookies.opts) this.settings.cookies.opts = {};
				}
				if(opts && opts.callback) {
					this.settings.callback = $.extend({},this.settings.callback,opts.callback);
					delete opts.callback;
				}
				if(opts && opts.data) {
					this.settings.data = $.extend({},this.settings.data,opts.data);
					delete opts.data;
				}
				if(opts && opts.ui) {
					this.settings.ui = $.extend({},this.settings.ui,opts.ui);
					delete opts.ui;
				}
				if(opts && opts.rules) {
					this.settings.rules = $.extend({},this.settings.rules,opts.rules);
					delete opts.rules;
				}
				if(opts && opts.lang) {
					this.settings.lang = $.extend({},this.settings.lang,opts.lang);
					delete opts.lang;
				}
				this.settings		= $.extend({},this.settings,opts);

				// PATH TO IMAGES AND XSL
				if(this.settings.path == false) {
					this.path = "";
					$("script").each( function () { 
						if(this.src.toString().match(/tree_component.*?js$/)) {
							_this.path = this.src.toString().replace(/tree_component.*?js$/, "");
						}
					});
				}
				else this.path = this.settings.path;

				// DEAL WITH LANGUAGE VERSIONS
				this.current_lang	= this.settings.languages && this.settings.languages.length ? this.settings.languages[0] : false;
				if(this.settings.languages && this.settings.languages.length) {
					this.sn = get_sheet_num("tree_component.css");
					if(this.sn === false && document.styleSheets.length) this.sn = document.styleSheets.length;
					var st = false;
					var id = this.container.attr("id") ? "#" + this.container.attr("id") : ".tree";
					for(var ln = 0; ln < this.settings.languages.length; ln++) {
						st = add_css(id + " ." + this.settings.languages[ln], this.sn);
						if(st !== false) {
							if(this.settings.languages[ln] == this.current_lang)	st.style.display = "";
							else													st.style.display = "none";
						}
					}
				}

				// DROPPABLES 
				if(this.settings.rules.droppable.length) {
					for(var i in this.settings.rules.droppable) {
						tree_component.drag_drop.droppable.push(this.settings.rules.droppable[i]);
					}
					tree_component.drag_drop.droppable = $.unique(tree_component.drag_drop.droppable);
				}

				// THEMES
				if(this.settings.ui.theme_path === false) this.settings.ui.theme_path = this.path + "themes/";
				this.theme = this.settings.ui.theme_path; 
				if(_this.settings.ui.theme_name) {
					this.theme += _this.settings.ui.theme_name + "/";
					if(_this.settings.ui.theme_name != "themeroller" && !tree_component.def_style) { add_sheet(_this.settings.ui.theme_path + "default/style.css"); tree_component.def_style = true; }
					add_sheet(_this.theme + "style.css");
					// if(this.settings.ui.theme_name && this.settings.ui.theme_name != "default") add_sheet(_this.theme + "style.css");
				}

				this.container.addClass("tree");
				if(this.settings.ui.theme_name == "themeroller") this.container.addClass("ui-widget ui-widget-content");
				if(this.settings.ui.rtl) this.container.addClass("rtl");
				if(this.settings.rules.multiple) this.selected_arr = [];
				this.offset = false;

				if(this.settings.ui.dots == false) this.container.addClass("no_dots");

				// CONTEXT MENU
				this.context_menu();

				this.hovered = false;
				this.locked = false;

				// CREATE DUMMY FOR MOVING
				if(this.settings.rules.draggable != "none" && tree_component.drag_drop.marker === false) {
					var _this = this;
					tree_component.drag_drop.marker = $("<img>")
						.attr({
							id		: "marker", 
							src	: _this.settings.ui.theme_path + "marker.gif"
						})
						.css({
							height		: "5px",
							width		: "40px",
							display		: "block",
							position	: "absolute",
							left		: "30px",
							top			: "30px",
							zIndex		: "1000"
						}).hide().appendTo("body");
				}
				this.refresh();
				this.attachEvents();
				this.focus();
			},
			off_height : function () {
				if(this.offset === false) {
					this.container.css({ position : "relative" });
					this.offset = this.container.offset();
					var tmp = 0;
					tmp = parseInt($.curCSS(this.container.get(0), "paddingTop", true),10);
					if(tmp) this.offset.top += tmp;
					tmp = parseInt($.curCSS(this.container.get(0), "borderTopWidth", true),10);
					if(tmp) this.offset.top += tmp;
					this.container.css({ position : "" });
				}
				if(!this.li_height) {
					var tmp = this.container.find("ul li.closed, ul li.leaf").eq(0);
					this.li_height = tmp.height();
					if(tmp.children("ul:eq(0)").size()) this.li_height -= tmp.children("ul:eq(0)").height();
					if(!this.li_height) this.li_height = 18;
				}
			},
			context_menu : function () {
				this.context = false;
				if(this.settings.ui.context != false) {
					var str = '<div class="tree-default-context tree-' + this.settings.ui.theme_name + '-context">';
					for(var i in this.settings.ui.context) {
						if(this.settings.ui.context[i] == "separator") {
							str += "<span class='separator'>&nbsp;</span>";
							continue;
						}
						var icn = "";
						if(this.settings.ui.context[i].icon) icn = 'background-image:url(\'' + ( this.settings.ui.context[i].icon.indexOf("/") == -1 ? this.theme + this.settings.ui.context[i].icon : this.settings.ui.context[i].icon ) + '\');';
						str += '<a rel="' + this.settings.ui.context[i].id + '" href="#" style="' + icn + '">' + this.settings.ui.context[i].label + '</a>';
					}
					str += '</div>';
					this.context = $(str);
					this.context.hide();
					this.context.append = false;
				}
			},
			// REPAINT TREE
			refresh : function (obj) {
				if(this.locked) return this.error("LOCKED");
				var _this = this;

				// SAVE OPENED
				this.opened = Array();
				if(this.settings.cookies && $.cookie(this.settings.cookies.prefix + '_open')) {
					var str = $.cookie(this.settings.cookies.prefix + '_open');
					var tmp = str.split(",");
					$.each(tmp, function () {
						_this.opened.push("#" + this.replace(/^#/,""));
					});
					this.settings.opened = false;
				}
				else if(this.settings.opened != false) {
					$.each(this.settings.opened, function (i, item) {
						_this.opened.push("#" + this.replace(/^#/,""));
					});
					this.settings.opened = false;
				}
				else {
					this.container.find("li.open").each(function (i) { _this.opened.push("#" + this.id); });
				}

				// SAVE SELECTED
				if(this.selected) {
					this.settings.selected = Array();
					if(this.selected_arr) {
						$.each(this.selected_arr, function () {
							if(this.attr("id")) _this.settings.selected.push("#" + this.attr("id"));
						});
					}
					else {
						if(this.selected.attr("id")) this.settings.selected.push("#" + this.selected.attr("id"));
					}
				}
				else if(this.settings.cookies && $.cookie(this.settings.cookies.prefix + '_selected')) {
					this.settings.selected = Array();
					var str = $.cookie(this.settings.cookies.prefix + '_selected');
					var tmp = str.split(",");
					$.each(tmp, function () {
						_this.settings.selected.push("#" + this.replace(/^#/,""));
					});
				}
				else if(this.settings.selected !== false) {
					var tmp = Array();
					if((typeof this.settings.selected).toLowerCase() == "object") {
						$.each(this.settings.selected, function () {
							if(this.replace(/^#/,"").length > 0) tmp.push("#" + this.replace(/^#/,""));
						});
					}
					else {
						if(this.settings.selected.replace(/^#/,"").length > 0) tmp.push("#" + this.settings.selected.replace(/^#/,""));
					}
					this.settings.selected = tmp;
				}

				if(obj && this.settings.data.async) {
					this.opened = Array();
					obj = this.get_node(obj);
					obj.find("li.open").each(function (i) { _this.opened.push("#" + this.id); });
					if(obj.hasClass("open")) this.close_branch(obj, true);
					if(obj.hasClass("leaf")) obj.removeClass("leaf");
					obj.children("ul:eq(0)").html("");
					return this.open_branch(obj, true, function () { _this.reselect.apply(_this); });
				}

				var cls = "tree-default";
				if(this.settings.ui.theme_name != "default") cls += " tree-" + _this.settings.ui.theme_name;
				if(this.settings.ui.theme_name == "themeroller") cls = "tree-themeroller";

				if(this.settings.data.type == "xml_flat" || this.settings.data.type == "xml_nested") {
					this.scrtop = this.container.get(0).scrollTop;
					var xsl = (this.settings.data.type == "xml_flat") ? "flat.xsl" : "nested.xsl";
					if(this.settings.data.xml)	this.container.getTransform(this.path + xsl, this.settings.data.xml, { params : { theme_name : cls, theme_path : _this.theme }, meth : _this.settings.data.method, dat : _this.settings.data.async_data.apply(_this,[obj]) ,callback: function () { _this.context_menu.apply(_this); _this.reselect.apply(_this); } });
					else						this.container.getTransform(this.path + xsl, this.settings.data.url, { params : { theme_name : cls, theme_path : _this.theme }, meth : _this.settings.data.method, dat : _this.settings.data.async_data.apply(_this,[obj]) ,callback: function () { _this.context_menu.apply(_this); _this.reselect.apply(_this); } });
					return;
				}
				else if(this.settings.data.type == "json") {
					if(this.settings.data.json) {
						var str = "";
						if(this.settings.data.json.length) {
							for(var i = 0; i < this.settings.data.json.length; i++) {
								str += this.parseJSON(this.settings.data.json[i]);
							}
						} else str = this.parseJSON(this.settings.data.json);
						this.container.html("<ul class='" + cls + "'>" + str + "</ul>");
						this.container.find("li:last-child").addClass("last").end().find("li:has(ul)").not(".open").addClass("closed");
						this.container.find("li").not(".open").not(".closed").addClass("leaf");
						this.context_menu();
						this.reselect();
					}
					else {
						var _this = this;
						$.ajax({
							type		: this.settings.data.method,
							url			: this.settings.data.url, 
							data		: this.settings.data.async_data(false), 
							dataType	: "json",
							success		: function (data) {
								var str = "";
								if(data.length) {
									for(var i = 0; i < data.length; i++) {
										str += _this.parseJSON(data[i]);
									}
								} else str = _this.parseJSON(data);
								_this.container.html("<ul class='" + cls + "'>" + str + "</ul>");
								_this.container.find("li:last-child").addClass("last").end().find("li:has(ul)").not(".open").addClass("closed");
								_this.container.find("li").not(".open").not(".closed").addClass("leaf");
								_this.context_menu.apply(_this);
								_this.reselect.apply(_this);
							},
							error : function (xhttp, textStatus, errorThrown) { _this.error(errorThrown + " " + textStatus); }
						});
					}
				}
				else {
					this.container.children("ul:eq(0)").attr("class", cls);
					this.container.find("li:last-child").addClass("last").end().find("li:has(ul)").not(".open").addClass("closed");
					this.container.find("li").not(".open").not(".closed").addClass("leaf");
					this.reselect();
				}
			},
			// CONVERT JSON TO HTML
			parseJSON : function (data) {
				if(!data || !data.data) return "";
				var str = "";
				str += "<li ";
				var cls = false;
				if(data.attributes) {
					for(var i in data.attributes) {
						if(i == "class") {
							str += " class='" + data.attributes[i] + " ";
							if(data.state == "closed" || data.state == "open") str += " " + data.state + " ";
							str += "' ";
							cls = true;
						}
						else str += " " + i + "='" + data.attributes[i] + "' ";
					}
				}
				if(!cls && (data.state == "closed" || data.state == "open")) str += " class='" + data.state + "' ";
				str += ">";
				if(this.settings.languages.length) {
					for(var i = 0; i < this.settings.languages.length; i++) {
						var attr = {};
						attr["href"] = "#";
						attr["style"] = "";
						attr["class"] = this.settings.languages[i];
						if(data.data[this.settings.languages[i]] && (typeof data.data[this.settings.languages[i]].attributes).toLowerCase() != "undefined") {
							for(var j in data.data[this.settings.languages[i]].attributes) {
								if(j == "style" || j == "class")	attr[j] += " " + data.data[this.settings.languages[i]].attributes[j];
								else								attr[j]  = data.data[this.settings.languages[i]].attributes[j];
							}
						}
						if(data.data[this.settings.languages[i]] && data.data[this.settings.languages[i]].icon && this.settings.theme_name != "themeroller") {
							var icn = data.data[this.settings.languages[i]].icon.indexOf("/") == -1 ? this.theme + data.data[this.settings.languages[i]].icon : data.data[this.settings.languages[i]].icon;
							attr["style"] += " ; background-image:url('" + icn + "'); ";
						}
						str += "<a";
						for(var j in attr) str += ' ' + j + '="' + attr[j] + '" ';
						str += ">";
						if(data.data[this.settings.languages[i]] && data.data[this.settings.languages[i]].icon && this.settings.theme_name == "themeroller") {
							str += "<ins class='ui-icon " + data.data[this.settings.languages[i]].icon + "'>&nbsp;</ins>";
						}
						str += ( (typeof data.data[this.settings.languages[i]].title).toLowerCase() != "undefined" ? data.data[this.settings.languages[i]].title : data.data[this.settings.languages[i]] ) + "</a>";
					}
				}
				else {
					var attr = {};
					attr["href"] = "#";
					attr["style"] = "";
					attr["class"] = "";
					if((typeof data.data.attributes).toLowerCase() != "undefined") {
						for(var i in data.data.attributes) {
							if(i == "style" || i == "class")	attr[i] += " " + data.data.attributes[i];
							else								attr[i]  = data.data.attributes[i];
						}
					}
					if(data.data.icon && this.settings.ui.theme_name != "themeroller") {
						var icn = data.data.icon.indexOf("/") == -1 ? this.theme + data.data.icon : data.data.icon;
						attr["style"] += " ; background-image:url('" + icn + "');";
					}
					str += "<a";
					for(var i in attr) str += ' ' + i + '="' + attr[i] + '" ';
					str += ">";
					if(data.data.icon && this.settings.ui.theme_name == "themeroller") {
						str += "<ins class='ui-icon " + data.data.icon + "'>&nbsp;</ins>";
					}
					str += ( (typeof data.data.title).toLowerCase() != "undefined" ? data.data.title : data.data ) + "</a>";
				}
				if(data.children && data.children.length) {
					str += '<ul>';
					for(var i = 0; i < data.children.length; i++) {
						str += this.parseJSON(data.children[i]);
					}
					str += '</ul>';
				}
				str += "</li>";
				return str;
			},
			// getJSON from HTML
			getJSON : function (nod, outer_attrib, inner_attrib, force) {
				var _this = this;
				if(!nod || $(nod).size() == 0) {
					nod = this.container.children("ul").children("li");
				}
				else nod = $(nod);

				if(nod.size() > 1) {
					var arr = [];
					nod.each(function () {
						arr.push(_this.getJSON(this, outer_attrib, inner_attrib, force));
					});
					return arr;
				}

				if(!outer_attrib) outer_attrib = [ "id", "rel", "class" ];
				if(!inner_attrib) inner_attrib = [ ];
				var obj = { attributes : {}, data : false };
				for(var i in outer_attrib) {
					var val = (outer_attrib[i] == "class") ? nod.attr(outer_attrib[i]).replace("last","").replace("leaf","").replace("closed","").replace("open","") : nod.attr(outer_attrib[i]);
					if(typeof val != "undefined" && val.replace(" ","").length > 0) obj.attributes[outer_attrib[i]] = val;
					delete val;
				}
				if(this.settings.languages.length) {
					obj.data = {};
					for(var i in this.settings.languages) {
						var a = nod.children("a." + this.settings.languages[i]);
						if(force || inner_attrib.length || a.get(0).style.backgroundImage.toString().length) {
							obj.data[this.settings.languages[i]] = {};
							obj.data[this.settings.languages[i]].title = a.text();
							if(a.get(0).style.backgroundImage.length) {
								obj.data[this.settings.languages[i]].icon = a.get(0).style.backgroundImage.replace("url(","").replace(")","");
							}
							if(this.settings.ui.theme_name == "themeroller" && a.children("ins").size()) {
								var tmp = a.children("ins").attr("class");
								var cls = false;
								$.each(tmp.split(" "), function (i, val) {
									if(val.indexOf("ui-icon-") == 0) {
										cls = val;
										return false;
									}
								});
								if(cls) obj.data[this.settings.languages[i]].icon = cls;
							}
							if(inner_attrib.length) {
								obj.data[this.settings.languages[i]].attributes = {};
								for(var j in inner_attrib) {
									var val = a.attr(inner_attrib[j]);
									if(typeof val != "undefined" && val.replace(" ","").length > 0) obj.data[this.settings.languages[i]].attributes[inner_attrib[j]] = val;
									delete val;
								}
							}
						}
						else {
							obj.data[this.settings.languages[i]] = a.text();
						}
					}
				}
				else {
					var a = nod.children("a");
					if(force || inner_attrib.length || a.get(0).style.backgroundImage.toString().length) {
						obj.data = {};
						obj.data.title = a.text();
						if(a.get(0).style.backgroundImage.length) {
							obj.data.icon = a.get(0).style.backgroundImage.replace("url(","").replace(")","");
						}
						if(this.settings.ui.theme_name == "themeroller" && a.children("ins").size()) {
							var tmp = a.children("ins").attr("class");
							var cls = false;
							$.each(tmp.split(" "), function (i, val) {
								if(val.indexOf("ui-icon-") == 0) {
									cls = val;
									return false;
								}
							});
							if(cls) obj.data[this.settings.languages[i]].icon = cls;
						}
						if(inner_attrib.length) {
							obj.data.attributes = {};
							for(var j in inner_attrib) {
								var val = a.attr(inner_attrib[j]);
								if(typeof val != "undefined" && val.replace(" ","").length > 0) obj.data.attributes[inner_attrib[j]] = val;
								delete val;
							}
						}
					}
					else {
						obj.data = a.text();
					}
				}

				if(nod.children("ul").size() > 0) {
					obj.children = [];
					nod.children("ul").children("li").each(function () {
						obj.children.push(_this.getJSON(this, outer_attrib, inner_attrib, force));
					});
				}
				return obj;
			},
			// getXML from HTML
			getXML : function (tp, nod, outer_attrib, inner_attrib, cb) {
				var _this = this;
				if(tp != "flat") tp = "nested";
				if(!nod || $(nod).size() == 0) {
					nod = this.container.children("ul").children("li");
				}
				else nod = $(nod);

				if(nod.size() > 1) {
					var obj = '<root>';
					nod.each(function () {
						obj += _this.getXML(tp, this, outer_attrib, inner_attrib, true);
					});
					obj += '</root>';
					return obj;
				}

				if(!outer_attrib) outer_attrib = [ "id", "rel", "class" ];
				if(!inner_attrib) inner_attrib = [ ];
				var obj = '';

				if(!cb) obj = '<root>';

				obj += '<item ';
				
				if(tp == "flat") {
					var tmp_id = nod.parents("li:eq(0)").size() ? nod.parents("li:eq(0)").attr("id") : 0;
					obj += ' parent_id="' + tmp_id + '" ';
					delete tmp_id;
				}
				for(var i in outer_attrib) {
					var val = (outer_attrib[i] == "class") ? nod.attr(outer_attrib[i]).replace("last","").replace("leaf","").replace("closed","").replace("open","") : nod.attr(outer_attrib[i]);
					if(typeof val != "undefined" && val.replace(" ","").length > 0) obj += ' ' + outer_attrib[i] + '="' + val + '" ';
					delete val;
				}
				obj += '>';

				obj += '<content>';
				if(this.settings.languages.length) {
					for(var i in this.settings.languages) {
						var a = nod.children("a." + this.settings.languages[i]);
						obj += '<name ';
						if(inner_attrib.length || a.get(0).style.backgroundImage.toString().length || this.settings.ui.theme_name == "themeroller") {
							if(a.get(0).style.backgroundImage.length) {
								obj += ' icon="' + a.get(0).style.backgroundImage.replace("url(","").replace(")","") + '" ';
							}
							if(this.settings.ui.theme_name == "themeroller" && a.children("ins").size()) {
								var tmp = a.children("ins").attr("class");
								var cls = false;
								$.each(tmp.split(" "), function (i, val) {
									if(val.indexOf("ui-icon-") == 0) {
										cls = val;
										return false;
									}
								});
								if(cls) obj += ' icon="' + cls + '" ';
							}
							if(inner_attrib.length) {
								for(var j in inner_attrib) {
									var val = a.attr(inner_attrib[j]);
									if(typeof val != "undefined" && val.replace(" ","").length > 0) obj += ' ' + inner_attrib[j] + '="' + val + '" ';
									delete val;
								}
							}
						}
						obj += '><![CDATA[' + a.text() + ']]></name>';
					}
				}
				else {
					var a = nod.children("a");
					obj += '<name ';
					if(inner_attrib.length || a.get(0).style.backgroundImage.toString().length || this.settings.ui.theme_name == "themeroller") {
						if(a.get(0).style.backgroundImage.length) {
							obj += ' icon="' + a.get(0).style.backgroundImage.replace("url(","").replace(")","") + '" ';
						}
						if(this.settings.ui.theme_name == "themeroller" && a.children("ins").size()) {
							var tmp = a.children("ins").attr("class");
							var cls = false;
							$.each(tmp.split(" "), function (i, val) {
								if(val.indexOf("ui-icon-") == 0) {
									cls = val;
									return false;
								}
							});
							if(cls) obj += ' icon="' + cls + '" ';
						}
						if(inner_attrib.length) {
							for(var j in inner_attrib) {
								var val = a.attr(inner_attrib[j]);
								if(typeof val != "undefined" && val.replace(" ","").length > 0) obj += ' ' + inner_attrib[j] + '="' + val + '" ';
								delete val;
							}
						}
					}
					obj += '><![CDATA[' + a.text() + ']]></name>';
				}
				obj += '</content>';

				if(tp == "flat") obj += '</item>';

				if(nod.children("ul").size() > 0) {
					nod.children("ul").children("li").each(function () {
						obj += _this.getXML(tp, this, outer_attrib, inner_attrib, true);
					});
				}

				if(tp == "nested") obj += '</item>';

				if(!cb) obj += '</root>';
				return obj;
			},
			focus : function () {
				if(this.locked) return false;
				if(tree_component.focused != this.cntr) {
					tree_component.focused = this.cntr;
					this.settings.callback.onfocus.call(null, this);
				}
			},
			show_context : function (obj, x, y) {
				var tmp = this.context.show().offsetParent();
				if(tmp.is("html")) tmp = $("body");
				tmp = tmp.offset();
				this.context.css({ "left" : (x - tmp.left - (this.settings.ui.rtl ? $(this.context).width() : 0 ) ), "top" : (y - tmp.top  + ($.browser.opera ? this.container.scrollTop() : 0) + 0) });
			},
			hide_context : function () {
				if(this.context.remove && this.context.apply_to) this.context.apply_to.children("a").removeClass("clicked");
				this.context.apply_to = false;
				this.context.hide();
			},
			// ALL EVENTS
			attachEvents : function () {
				var _this = this;

				this.container
					.bind("mousedown", function (event) {
						if(tree_component.drag_drop.isdown) {
							tree_component.drag_drop.move_type = false;
							event.preventDefault();
							event.stopPropagation();
							event.stopImmediatePropagation();
							return false;
						}
					})
					.bind("mouseup", function (event) {
						setTimeout( function() { _this.focus.apply(_this); }, 5);
					})
					.bind("click", function (event) { 
						//event.stopPropagation(); 
						return true;
					});
				$("#" + this.container.attr("id") + " li")
					.live("click", function(event) { // WHEN CLICK IS ON THE ARROW
						if(event.target.tagName != "LI") return true;
						_this.off_height();
						if(event.pageY - $(event.target).offset().top > _this.li_height) return true;
						_this.toggle_branch.apply(_this, [event.target]);
						event.stopPropagation();
						return false;
					});
				$("#" + this.container.attr("id") + " li a")
					.live("click", function (event) { // WHEN CLICK IS ON THE TEXT OR ICON
						if(event.which && event.which == 3) return true;
						if(_this.locked) {
							event.preventDefault(); 
							event.target.blur();
							return _this.error("LOCKED");
						}
						_this.select_branch.apply(_this, [event.target, event.ctrlKey || _this.settings.rules.multiple == "on"]);
						if(_this.inp) { _this.inp.blur(); }
						event.preventDefault(); 
						event.target.blur();
						return false;
					})
					.live("dblclick", function (event) { // WHEN DOUBLECLICK ON TEXT OR ICON
						if(_this.locked) {
							event.preventDefault(); 
							event.stopPropagation();
							event.target.blur();
							return _this.error("LOCKED");
						}
						_this.settings.callback.ondblclk.call(null, _this.get_node(event.target).get(0), _this);
						event.preventDefault(); 
						event.stopPropagation();
						event.target.blur();
					})
					.live("contextmenu", function (event) {
						if(_this.locked) {
							event.target.blur();
							return _this.error("LOCKED");
						}
						var val = _this.settings.callback.onrgtclk.call(null, _this.get_node(event.target).get(0), _this, event);
						if(_this.context) {
							if(_this.context.append == false) {
								$("body").append(_this.context);
								_this.context.append = true;
								for(var i in _this.settings.ui.context) {
									if(_this.settings.ui.context[i] == "separator") continue;
									(function () {
										var func = _this.settings.ui.context[i].action;
										_this.context.children("[rel=" + _this.settings.ui.context[i].id +"]")
											.bind("click", function (event) {
												if(!$(this).hasClass("disabled")) {
													func.call(null, _this.context.apply_to || null, _this);
													_this.hide_context();
												}
												event.stopPropagation();
												event.preventDefault();
												return false;
											})
											.bind("mouseup", function (event) {
												this.blur();
												if($(this).hasClass("disabled")) {
													event.stopPropagation();
													event.preventDefault();
													return false;
												}
											})
											.bind("mousedown", function (event) {
												event.stopPropagation();
												event.preventDefault();
											});
									})();
								}
							}
							var obj = _this.get_node(event.target);
							if(_this.inp) { _this.inp.blur(); }
							if(obj) {
								if(!obj.children("a:eq(0)").hasClass("clicked")) {
									// _this.select_branch.apply(_this, [event.target, event.ctrlKey || _this.settings.rules.multiple == "on"]);
									_this.context.apply_to = obj;
									_this.context.remove = true;
									_this.context.apply_to.children("a").addClass("clicked");
									event.target.blur();
								}
								else { _this.context.remove = false; _this.context.apply_to = _this.selected_arr || _this.selected; }

								_this.context.children("a").removeClass("disabled").show();
								var go = false;
								for(var i in _this.settings.ui.context) {
									if(_this.settings.ui.context[i] == "separator") continue;
									var state = _this.settings.ui.context[i].visible.call(null, _this.context.apply_to, _this);
									if(state === false)	_this.context.children("[rel=" + _this.settings.ui.context[i].id +"]").addClass("disabled");
									if(state === -1)	_this.context.children("[rel=" + _this.settings.ui.context[i].id +"]").hide();
									else				go = true;
								}
								if(go == true) _this.show_context(obj, event.pageX, event.pageY);
								event.preventDefault(); 
								event.stopPropagation();
								return false;
							}
						}
						return val;
					})
					.live("mouseover", function (event) {
						if(_this.locked) {
							event.preventDefault();
							event.stopPropagation();
							return _this.error("LOCKED");
						}
						if( (_this.settings.ui.hover_mode || _this.settings.ui.theme_name == "themeroller" ) && _this.hovered !== false && event.target.tagName == "A") {
							_this.hovered.children("a").removeClass("hover ui-state-hover");
							_this.hovered = false;
						}
						if(_this.settings.ui.theme_name == "themeroller") {
							_this.hover_branch.apply(_this, [event.target]);
						}
					});
				if(_this.settings.ui.theme_name == "themeroller") {
					$("#" + this.container.attr("id") + " li a").live("mouseout", function (event) {
						if(_this.hovered) _this.hovered.children("a").removeClass("hover ui-state-hover");
					});
				}

				// ATTACH DRAG & DROP ONLY IF NEEDED
				if(this.settings.rules.draggable != "none") {
					$("#" + this.container.attr("id") + " li a")
						.live("mousedown", function (event) {
							if(_this.settings.rules.drag_button == "left" && event.which && event.which != 1)	return false;
							if(_this.settings.rules.drag_button == "right" && event.which && event.which != 3)	return false;
							_this.focus.apply(_this);
							if(_this.locked) return _this.error("LOCKED");
							// SELECT LIST ITEM NODE
							var obj = _this.get_node(event.target);
							// IF ITEM IS DRAGGABLE
							if(_this.settings.rules.multiple != false && _this.selected_arr.length > 1 && obj.children("a:eq(0)").hasClass("clicked")) {
								var counter = 0;
								for(var i in _this.selected_arr) {
									if(_this.check("draggable", _this.selected_arr[i])) {
										_this.selected_arr[i].addClass("dragged");
										tree_component.drag_drop.origin_tree = _this;
										counter ++;
									}
								}
								if(counter > 0) {
									if(_this.check("draggable", obj))	tree_component.drag_drop.drag_node = obj;
									else								tree_component.drag_drop.drag_node = _this.container.find("li.dragged:eq(0)");
									tree_component.drag_drop.isdown		= true;
									tree_component.drag_drop.drag_help	= $(tree_component.drag_drop.drag_node.get(0).cloneNode(true));
									tree_component.drag_drop.drag_help.attr("id","dragged");
									tree_component.drag_drop.drag_help.children("a").html("Multiple selection").end().children("ul").remove();
								}
							}
							else {
								if(_this.check("draggable", obj)) {
									tree_component.drag_drop.drag_node	= obj;
									tree_component.drag_drop.drag_help	= $(obj.get(0).cloneNode(true));
									tree_component.drag_drop.drag_help.attr("id","dragged");
									tree_component.drag_drop.isdown		= true;
									tree_component.drag_drop.foreign	= false;
									tree_component.drag_drop.origin_tree = _this;
									obj.addClass("dragged");
								}
							}
							tree_component.drag_drop.init_x = event.pageX;
							tree_component.drag_drop.init_y = event.pageY;
							obj.blur();
							event.preventDefault(); 
							event.stopPropagation();
							return false;
						});
					$(document)
						.bind("mousedown",	tree_component.mousedown)
						.bind("mouseup",	tree_component.mouseup)
						.bind("mousemove",	tree_component.mousemove);
				} 
				// ENDIF OF DRAG & DROP FUNCTIONS
				if(_this.context) $(document).bind("mousedown", function() { _this.hide_context(); });
			},
			checkMove : function (NODES, REF_NODE, TYPE) {
				if(this.locked) return this.error("LOCKED");
				var _this = this;

				// OVER SELF OR CHILDREN
				if(REF_NODE.parents("li.dragged").size() > 0 || REF_NODE.is(".dragged")) return this.error("MOVE: NODE OVER SELF");
				// CHECK AGAINST DRAG_RULES
				if(NODES.size() == 1) {
					var NODE = NODES.eq(0);
					if(tree_component.drag_drop.foreign) {
						if(this.settings.rules.droppable.length == 0) return false;
						if(!NODE.is("." + this.settings.rules.droppable.join(", ."))) return false;
						var ok = false;
						for(var i in this.settings.rules.droppable) {
							if(NODE.is("." + this.settings.rules.droppable[i])) {
								if(this.settings.rules.metadata) {
									$.metadata.setType("attr", this.settings.rules.metadata);
									NODE.attr(this.settings.rules.metadata, "type: '" + this.settings.rules.droppable[i] + "'");
								}
								else {
									NODE.attr(this.settings.rules.type_attr, this.settings.rules.droppable[i]);
								}
								ok = true;
								break;
							}
						}
						if(!ok) return false;
					}
					if(!this.check("dragrules", [NODE, TYPE, REF_NODE.parents("li:eq(0)")])) return this.error("MOVE: AGAINST DRAG RULES");
				}
				else {
					var ok = true;
					NODES.each(function (i) {
						if(ok == false) return false;
						//if(i > 0) {
						//	var ref = NODES.eq( (i - 1) );
						//	var mv = "after";
						//}
						//else {
							var ref = REF_NODE;
							var mv = TYPE;
						//}
						if(!_this.check.apply(_this,["dragrules", [$(this), mv, ref]])) ok = false;
					});
					if(ok == false) return this.error("MOVE: AGAINST DRAG RULES");
				}
				// CHECK AGAINST METADATA
				if(this.settings.rules.use_inline && this.settings.rules.metadata) {
					var nd = false;
					if(TYPE == "inside")	nd = REF_NODE.parents("li:eq(0)");
					else					nd = REF_NODE.parents("li:eq(1)");
					if(nd.size()) {
						// VALID CHILDREN CHECK
						if(typeof nd.metadata()["valid_children"] != "undefined") {
							var tmp = nd.metadata()["valid_children"];
							var ok = true;
							NODES.each(function (i) {
								if(ok == false) return false;
								if($.inArray(_this.get_type(this), tmp) == -1) ok = false;
							});
							if(ok == false) return this.error("MOVE: NOT A VALID CHILD");
						}
						// CHECK IF PARENT HAS FREE SLOTS FOR CHILDREN
						if(typeof nd.metadata()["max_children"] != "undefined") {
							if((nd.children("ul:eq(0)").children("li").not(".dragged").size() + NODES.size()) > nd.metadata().max_children) return this.error("MOVE: MAX CHILDREN REACHED");
						}
						// CHECK FOR MAXDEPTH UP THE CHAIN
						var incr = 0;
						NODES.each(function (j) {
							var i = 1;
							var t = $(this);
							while(i < 100) {
								t = t.children("ul").children("li");
								if(t.size() == 0) break;
								i ++
							}
							incr = Math.max(i,incr);
						});
						var ok = true;

						if((typeof $(nd).metadata().max_depth).toLowerCase() != "undefined" && $(nd).metadata().max_depth < incr) ok = false;
						else {
							nd.parents("li").each(function(i) {
								if(ok == false) return false;
								if((typeof $(this).metadata().max_depth).toLowerCase() != "undefined") {
									if( (i + incr) >= $(this).metadata().max_depth) ok = false;
								}
							});
						}
						if(ok == false) return this.error("MOVE: MAX_DEPTH REACHED");
					}
				}
				return true;
			},
			// USED AFTER REFRESH
			reselect : function () {
				var _this = this;
				// REOPEN BRANCHES
				if(this.opened && this.opened.length) {
					var opn = false;
					for(var j = 0; j < this.opened.length; j++) {
						if(this.settings.data.async) {
							if(this.get_node(this.opened[j]).size() > 0) {
								opn = true;
								var tmp = this.opened[j];
								delete this.opened[j];
								this.open_branch(tmp, true, function () { _this.reselect.apply(_this); } )
							}
						}
						else this.open_branch(this.opened[j], true);
					}
					if(this.settings.data.async && opn) return;
					delete this.opened;
				}
				// REPOSITION SCROLL
				if(this.scrtop) {
					this.container.scrollTop(_this.scrtop);
					delete this.scrtop;
				}
				// RESELECT PREVIOUSLY SELECTED
				if(this.settings.selected !== false) {
					$.each(this.settings.selected, function (i) {
						_this.select_branch($(_this.settings.selected[i], _this.container), (_this.settings.rules.multiple !== false && i > 0) );
					});
					this.settings.selected = false;
				}
				if(this.settings.ui.theme_name == "themeroller") this.container.find("a").addClass("ui-state-default");
				this.settings.callback.onload.call(null, _this);
			},
			// GET THE EXTENDED LI ELEMENT
			get_node : function (obj) {
				var obj = $(obj);
				return obj.is("li") ? obj : obj.parents("li:eq(0)");
			},
			// GET THE TYPE OF THE NODE
			get_type : function (obj) {
				obj = !obj ? this.selected : this.get_node(obj);
				if(!obj) return;
				if(this.settings.rules.metadata) {
					$.metadata.setType("attr", this.settings.rules.metadata);
					var tmp = obj.metadata().type;
					if(tmp) return tmp;
				} 
				return obj.attr(this.settings.rules.type_attr);
			},
			// SCROLL CONTAINER WHILE DRAGGING
			scrollCheck : function (x,y) { 
				var _this = this;
				var cnt = _this.container;
				var off = _this.container.offset();

				var st = cnt.scrollTop();
				var sl = cnt.scrollLeft();
				// DETECT HORIZONTAL SCROLL
				var h_cor = (cnt.get(0).scrollWidth > cnt.width()) ? 40 : 20;

				if(y - off.top < 20)						cnt.scrollTop(Math.max( (st - _this.settings.ui.scroll_spd) ,0));	// NEAR TOP
				if(cnt.height() - (y - off.top) < h_cor)	cnt.scrollTop(st + _this.settings.ui.scroll_spd);					// NEAR BOTTOM
				if(x - off.left < 20)						cnt.scrollLeft(Math.max( (sl - _this.settings.ui.scroll_spd),0));	// NEAR LEFT
				if(cnt.width() - (x - off.left) < 40)		cnt.scrollLeft(sl + _this.settings.ui.scroll_spd);					// NEAR RIGHT

				if(cnt.scrollLeft() != sl || cnt.scrollTop() != st) {
					_this.moveType = false;
					_this.moveRef = false;
					tree_component.drag_drop.marker.hide();
				}
				tree_component.drag_drop.scroll_time = setTimeout( function() { _this.scrollCheck(x,y); }, 50);
			},
			check : function (rule, nodes) {
				if(this.locked) return this.error("LOCKED");
				// CHECK LOCAL RULES IF METADATA
				if(rule != "dragrules" && this.settings.rules.use_inline && this.settings.rules.metadata) {
					$.metadata.setType("attr", this.settings.rules.metadata);
					if(typeof this.get_node(nodes).metadata()[rule] != "undefined") return this.get_node(nodes).metadata()[rule];
				}
				if(!this.settings.rules[rule])			return false;
				if(this.settings.rules[rule] == "none")	return false;
				if(this.settings.rules[rule] == "all")	return true;

				if(rule == "dragrules") {
					var nds = new Array();
					nds[0] = this.get_type(nodes[0]);
					nds[1] = nodes[1];
					nds[2] = this.get_type(nodes[2]);
					for(var i = 0; i < this.settings.rules.dragrules.length; i++) {
						var r = this.settings.rules.dragrules[i];
						var n = (r.indexOf("!") === 0) ? false : true;
						if(!n) r = r.replace("!","");
						var tmp = r.split(" ");
						for(var j = 0; j < 3; j++) {
							if(tmp[j] == nds[j] || tmp[j] == "*") tmp[j] = true;
						}
						if(tmp[0] === true && tmp[1] === true && tmp[2] === true) return n;
					}
					return false;
				}
				else 
					return ($.inArray(this.get_type(nodes),this.settings.rules[rule]) != -1) ? true : false;
			},
			hover_branch : function (obj) {
				if(this.locked) return this.error("LOCKED");
				if(this.settings.ui.hover_mode == false && this.settings.theme_name != "themeroller") return this.select_branch(obj);
				var _this = this;
				var obj = _this.get_node(obj);
				if(!obj.size()) return this.error("HOVER: NOT A VALID NODE");
				// CHECK AGAINST RULES FOR SELECTABLE NODES
				if(!_this.check("clickable", obj)) return this.error("SELECT: NODE NOT SELECTABLE");
				if(this.hovered) this.hovered.children("A").removeClass("hover ui-state-hover");

				// SAVE NEWLY SELECTED
				this.hovered = obj;

				// FOCUS NEW NODE AND OPEN ALL PARENT NODES IF CLOSED
				this.hovered.children("a").removeClass("hover ui-state-hover").addClass( this.settings.ui.theme_name == "themeroller" ? "hover ui-state-hover" : "hover");

				// SCROLL SELECTED NODE INTO VIEW
				var off_t = this.hovered.offset().top;
				var beg_t = this.container.offset().top;
				var end_t = beg_t + this.container.height();
				var h_cor = (this.container.get(0).scrollWidth > this.container.width()) ? 40 : 20;
				if(off_t + 5 < beg_t) this.container.scrollTop(this.container.scrollTop() - (beg_t - off_t + 5) );
				if(off_t + h_cor > end_t) this.container.scrollTop(this.container.scrollTop() + (off_t + h_cor - end_t) );
			},
			select_branch : function (obj, multiple) {
				if(this.locked) return this.error("LOCKED");
				if(!obj && this.hovered !== false) obj = this.hovered;
				var _this = this;
				obj = _this.get_node(obj);
				if(!obj.size()) return this.error("SELECT: NOT A VALID NODE");
				obj.children("a").removeClass("hover ui-state-hover");
				// CHECK AGAINST RULES FOR SELECTABLE NODES
				if(!_this.check("clickable", obj)) return this.error("SELECT: NODE NOT SELECTABLE");
				if(_this.settings.callback.beforechange.call(null,obj.get(0),_this) === false) return this.error("SELECT: STOPPED BY USER");
				// IF multiple AND obj IS ALREADY SELECTED - DESELECT IT
				if(this.settings.rules.multiple != false && multiple && obj.children("a.clicked").size() > 0) {
					return this.deselect_branch(obj);
				}
				if(this.settings.rules.multiple != false && multiple) {
					this.selected_arr.push(obj);
				}
				if(this.settings.rules.multiple != false && !multiple) {
					for(var i in this.selected_arr) {
						this.selected_arr[i].children("A").removeClass("clicked ui-state-active");
						this.settings.callback.ondeselect.call(null, this.selected_arr[i].get(0), _this);
					}
					this.selected_arr = [];
					this.selected_arr.push(obj);
					if(this.selected && this.selected.children("A").hasClass("clicked")) {
						this.selected.children("A").removeClass("clicked ui-state-active");
						this.settings.callback.ondeselect.call(null, this.selected.get(0), _this);
					}
				}
				if(!this.settings.rules.multiple) {
					if(this.selected) {
						this.selected.children("A").removeClass("clicked ui-state-active");
						this.settings.callback.ondeselect.call(null, this.selected.get(0), _this);
					}
				}
				// SAVE NEWLY SELECTED
				this.selected = obj;
				if( (this.settings.ui.hover_mode || this.settings.ui.theme_name == "themeroller") && this.hovered !== false) {
					this.hovered.children("A").removeClass("hover ui-state-hover");
					this.hovered = obj;
				}

				// FOCUS NEW NODE AND OPEN ALL PARENT NODES IF CLOSED
				this.selected.children("a").removeClass("clicked ui-state-active").addClass( this.settings.ui.theme_name == "themeroller" ? "clicked ui-state-active" : "clicked").end().parents("li.closed").each( function () { _this.open_branch(this, true); });

				// SCROLL SELECTED NODE INTO VIEW
				var off_t = this.selected.offset().top;
				var beg_t = this.container.offset().top;
				var end_t = beg_t + this.container.height();
				var h_cor = (this.container.get(0).scrollWidth > this.container.width()) ? 40 : 20;
				if(off_t + 5 < beg_t) this.container.scrollTop(this.container.scrollTop() - (beg_t - off_t + 5) );
				if(off_t + h_cor > end_t) this.container.scrollTop(this.container.scrollTop() + (off_t + h_cor - end_t) );

				this.set_cookie("selected");
				this.settings.callback.onselect.call(null, this.selected.get(0), _this);
				this.settings.callback.onchange.call(null, this.selected.get(0), _this);
			},
			deselect_branch : function (obj) {
				if(this.locked) return this.error("LOCKED");
				var _this = this;
				var obj = this.get_node(obj);
				obj.children("a").removeClass("clicked ui-state-active");
				this.settings.callback.ondeselect.call(null, obj.get(0), _this);
				if(this.settings.rules.multiple != false && this.selected_arr.length > 1) {
					this.selected_arr = [];
					this.container.find("a.clicked").filter(":first-child").parent().each(function () {
						_this.selected_arr.push($(this));
					});
					if(obj.get(0) == this.selected.get(0)) {
						this.selected = this.selected_arr[0];
						this.set_cookie("selected");
					}
				}
				else {
					if(this.settings.rules.multiple != false) this.selected_arr = [];
					this.selected = false;
					this.set_cookie("selected");
				}
				if(this.selected)	this.settings.callback.onchange.call(null, this.selected.get(0), _this);
				else				this.settings.callback.onchange.call(null, false, _this);
			},
			toggle_branch : function (obj) {
				if(this.locked) return this.error("LOCKED");
				var obj = this.get_node(obj);
				if(obj.hasClass("closed"))	return this.open_branch(obj);
				if(obj.hasClass("open"))	return this.close_branch(obj); 
			},
			open_branch : function (obj, disable_animation, callback) {
				if(this.locked) return this.error("LOCKED");
				var obj = this.get_node(obj);
				if(!obj.size()) return this.error("OPEN: NO SUCH NODE");
				if(obj.hasClass("leaf")) return this.error("OPEN: OPENING LEAF NODE");

				if(this.settings.data.async && obj.find("li").size() == 0) {
					if(this.settings.callback.beforeopen.call(null,obj.get(0),this) === false) return this.error("OPEN: STOPPED BY USER");
					var _this = this;
					obj.children("ul:eq(0)").remove().end().append("<ul><li class='last'><a class='loading' href='#'>" + (_this.settings.lang.loading || "Loading ...") + "</a></li></ul>");
					obj.removeClass("closed").addClass("open");
					if(this.settings.data.type == "xml_flat" || this.settings.data.type == "xml_nested") {
						var xsl = (this.settings.data.type == "xml_flat") ? "flat.xsl" : "nested.xsl";
						obj.children("ul:eq(0)").getTransform(this.path + xsl, this.settings.data.url, { params : { theme_path : _this.theme }, meth : this.settings.data.method, dat : this.settings.data.async_data(obj), repl : true, callback: function (str, json) { 
								if(str.length < 15) {
									obj.removeClass("closed").removeClass("open").addClass("leaf").children("ul").remove();
									if(callback) callback.call();
									return;
								}
								_this.open_branch.apply(_this, [obj]); 
								if(callback) callback.call();
							} 
						});
					}
					else {
						$.ajax({
							type		: this.settings.data.method,
							url			: this.settings.data.url, 
							data		: this.settings.data.async_data(obj), 
							dataType	: "json",
							success		: function (data, textStatus) {
								if(!data || data.length == 0) {
									obj.removeClass("closed").removeClass("open").addClass("leaf").children("ul").remove();
									if(callback) callback.call();
									return;
								}
								var str = "";
								if(data.length) {
									for(var i = 0; i < data.length; i++) {
										str += _this.parseJSON(data[i]);
									}
								}
								else str = _this.parseJSON(data);
								if(str.length > 0) {
									obj.children("ul:eq(0)").replaceWith("<ul>" + str + "</ul>");
									obj.find("li:last-child").addClass("last").end().find("li:has(ul)").not(".open").addClass("closed");
									obj.find("li").not(".open").not(".closed").addClass("leaf");
									_this.open_branch.apply(_this, [obj]);
								}
								else obj.removeClass("closed").removeClass("open").addClass("leaf").children("ul").remove();
								if(callback) callback.call();
							}
						});
					}
					return true;
				}
				else {
					if(!this.settings.data.async) {
						if(this.settings.callback.beforeopen.call(null,obj.get(0),this) === false) return this.error("OPEN: STOPPED BY USER");
					}
					if(this.settings.ui.theme_name == "themeroller") obj.find("a").not(".ui-state-default").addClass("ui-state-default");
					if(parseInt(this.settings.ui.animation) > 0 && !disable_animation ) {
						obj.children("ul:eq(0)").css("display","none");
						obj.removeClass("closed").addClass("open");
						obj.children("ul:eq(0)").slideDown(parseInt(this.settings.ui.animation), function() {
							$(this).css("display","");
							if(callback) callback.call();
						});
					} else {
						obj.removeClass("closed").addClass("open");
						if(callback) callback.call();
					}
					this.set_cookie("open");
					this.settings.callback.onopen.call(null, obj.get(0), this);
					return true;
				}
			},
			close_branch : function (obj, disable_animation) {
				if(this.locked) return this.error("LOCKED");
				var _this = this;
				var obj = this.get_node(obj);
				if(!obj.size()) return this.error("CLOSE: NO SUCH NODE");
				if(_this.settings.callback.beforeclose.call(null,obj.get(0),_this) === false) return this.error("CLOSE: STOPPED BY USER");
				if(parseInt(this.settings.ui.animation) > 0 && !disable_animation && obj.children("ul:eq(0)").size() == 1) {
					obj.children("ul:eq(0)").slideUp(parseInt(this.settings.ui.animation), function() {
						if(obj.hasClass("open")) obj.removeClass("open").addClass("closed");
						_this.set_cookie("open");
						$(this).css("display","");
					});
				} 
				else {
					if(obj.hasClass("open")) obj.removeClass("open").addClass("closed");
					this.set_cookie("open");
				}
				if(this.selected && obj.children("ul:eq(0)").find("a.clicked").size() > 0) {
					obj.find("li:has(a.clicked)").each(function() {
						_this.deselect_branch(this);
					});
					if(obj.children("a.clicked").size() == 0) this.select_branch(obj, (this.settings.rules.multiple != false && this.selected_arr.length > 0) );
				}
				this.settings.callback.onclose.call(null, obj.get(0), this);
			},
			open_all : function (obj, callback) {
				if(this.locked) return this.error("LOCKED");
				var _this = this;
				obj = obj ? $(obj) : this.container;

				var s = obj.find("li.closed").size();
				if(!callback)	this.cl_count = 0;
				else			this.cl_count --;
				if(s > 0) {
					this.cl_count += s;
					obj.find("li.closed").each( function () { var __this = this; _this.open_branch.apply(_this, [this, true, function() { _this.open_all.apply(_this, [__this, true]); } ]); });
				}
				else if(this.cl_count == 0) this.settings.callback.onopen_all.call(null,this);
			},
			close_all : function () {
				if(this.locked) return this.error("LOCKED");
				var _this = this;
				this.container.find("li.open").each( function () { _this.close_branch(this, true); });
			},
			show_lang : function (i) { 
				if(this.locked) return this.error("LOCKED");
				if(this.settings.languages[i] == this.current_lang) return true;
				var st = false;
				var id = this.container.attr("id") ? "#" + this.container.attr("id") : ".tree";
				st = get_css(id + " ." + this.current_lang, this.sn);
				if(st !== false) st.style.display = "none";
				st = get_css(id + " ." + this.settings.languages[i], this.sn);
				if(st !== false) st.style.display = "";
				this.current_lang = this.settings.languages[i];
				return true;
			},
			cycle_lang : function() {
				if(this.locked) return this.error("LOCKED");
				var i = $.inArray(this.current_lang, this.settings.languages);
				i ++;
				if(i > this.settings.languages.length - 1) i = 0;
				this.show_lang(i);
			},
			create : function (obj, ref_node, position) { 
				if(this.locked) return this.error("LOCKED");
				
				var root = false;
				if(ref_node == -1) { root = true; ref_node = this.container; }
				else ref_node = ref_node ? this.get_node(ref_node) : this.selected;

				if(!root && (!ref_node || !ref_node.size())) return this.error("CREATE: NO NODE SELECTED");

				var tmp = ref_node; // for type calculation
				if(position == "before") {
					position = ref_node.parent().children().index(ref_node);
					ref_node = ref_node.parents("li:eq(0)");
				}
				if(position == "after") {
					position = ref_node.parent().children().index(ref_node) + 1;
					ref_node = ref_node.parents("li:eq(0)");
				}
				if(!root && ref_node.size() == 0) { root = true; ref_node = this.container; }

				if(!root) {
					if(!this.check("creatable", ref_node)) return this.error("CREATE: CANNOT CREATE IN NODE");
					if(ref_node.hasClass("closed")) {
						if(this.settings.data.async && ref_node.children("ul").size() == 0) {
							var _this = this;
							return this.open_branch(ref_node, true, function () { _this.create.apply(_this, [obj, ref_node, position]); } );
						}
						else this.open_branch(ref_node, true);
					}
				}

				// creating new object to pass to parseJSON
				var torename = false; 
				if(!obj) obj = {};
				if(!obj.attributes) obj.attributes = {};
				if(this.settings.rules.metadata) {
					if(!obj.attributes[this.settings.rules.metadata]) obj.attributes[this.settings.rules.metadata] = '{ "type" : "' + (this.get_type(tmp) || "") + '" }';
				}
				else {
					if(!obj.attributes[this.settings.rules.type_attr]) obj.attributes[this.settings.rules.type_attr] = this.get_type(tmp) || "";
				}
				if(this.settings.languages.length) {
					if(!obj.data) { obj.data = {}; torename = true; }
					for(var i = 0; i < this.settings.languages.length; i++) {
						if(!obj.data[this.settings.languages[i]]) obj.data[this.settings.languages[i]] = ((typeof this.settings.lang.new_node).toLowerCase() != "string" && this.settings.lang.new_node[i]) ? this.settings.lang.new_node[i] : this.settings.lang.new_node;
					}
				}
				else {
					if(!obj.data) { obj.data = this.settings.lang.new_node; torename = true; }
				}

				var $li = $(this.parseJSON(obj));
				$li.addClass("leaf");

				if(!root && this.settings.rules.use_inline && this.settings.rules.metadata) {
					var t = this.get_type($li) || "";
					$.metadata.setType("attr", this.settings.rules.metadata);
					if(typeof ref_node.metadata()["valid_children"] != "undefined") {
						if($.inArray(t, ref_node.metadata()["valid_children"]) == -1) return this.error("CREATE: NODE NOT A VALID CHILD");
					}
					if(typeof ref_node.metadata()["max_children"] != "undefined") {
						if( (ref_node.children("ul:eq(0)").children("li").size() + 1) > ref_node.metadata().max_children) return this.error("CREATE: MAX_CHILDREN REACHED");
					}
					var ok = true;
					if((typeof $(ref_node).metadata().max_depth).toLowerCase() != "undefined" && $(ref_node).metadata().max_depth === 0) ok = false;
					else {
						ref_node.parents("li").each(function(i) {
							if($(this).metadata().max_depth) {
								if( (i + 1) >= $(this).metadata().max_depth) {
									ok = false;
									return false;
								}
							}
						});
					}
					if(!ok) return this.error("CREATE: MAX_DEPTH REACHED");
				}

				if((typeof position).toLowerCase() == "undefined" || position == "inside") 
					position = (this.settings.rules.createat == "top") ? 0 : ref_node.children("ul:eq(0)").children("li").size();
				if(ref_node.children("ul").size() == 0 || (root == true && ref_node.children("ul").children("li").size() == 0) ) {
					if(!root)	var a = this.moved($li,ref_node.children("a:eq(0)"),"inside", true);
					else		var a = this.moved($li,this.container.children("ul:eq(0)"),"inside", true);
				}
				else if(ref_node.children("ul:eq(0)").children("li:nth-child(" + (position + 1) + ")").size())
					var a = this.moved($li,ref_node.children("ul:eq(0)").children("li:nth-child(" + (position + 1) + ")").children("a:eq(0)"),"before", true);
				else
					var a = this.moved($li,ref_node.children("ul:eq(0)").children("li:last").children("a:eq(0)"),"after",true);

				if(a === false) return this.error("CREATE: ABORTED");

				this.select_branch($li.children("a:eq(0)"));
				if(torename) this.rename();
				return $li;
			},
			rename : function (obj) {
				if(this.locked) return this.error("LOCKED");
				obj = obj ? this.get_node(obj) : this.selected;
				var _this = this;
				if(!obj || !obj.size()) return this.error("RENAME: NO NODE SELECTED");
				if(!this.check("renameable", obj)) return this.error("RENAME: NODE NOT RENAMABLE");
				if(!this.settings.callback.beforerename.call(null,obj.get(0), _this.current_lang, _this)) return this.error("RENAME: STOPPED BY USER");

				obj.parents("li.closed").each(function () { _this.open_branch(this) });
				if(this.current_lang)	obj = obj.find("a." + this.current_lang).get(0);
				else					obj = obj.find("a:first").get(0);
				last_value = obj.innerHTML;
				_this.inp = $("<input type='text' autocomplete='off' />");
				_this.inp
					.val(last_value.replace(/&amp;/g,"&").replace(/&gt;/g,">").replace(/&lt;/g,"<"))
					.bind("mousedown",		function (event) { event.stopPropagation(); })
					.bind("mouseup",		function (event) { event.stopPropagation(); })
					.bind("click",			function (event) { event.stopPropagation(); })
					.bind("keyup",			function (event) { 
							var key = event.keyCode || event.which;
							if(key == 27) { this.value = last_value; this.blur(); return }
							if(key == 13) { this.blur(); return }
						});

				// Rollback
				var rb = {}; 
				rb[this.container.attr("id")] = this.get_rollback();
					
				_this.inp.blur(function(event) {
						if(this.value == "") this.value = last_value; 
						$(obj).text( $(obj).parent().find("input").eq(0).attr("value") ).get(0).style.display = ""; 
						$(obj).prevAll("span").remove(); 
						_this.settings.callback.onrename.call(null, _this.get_node(obj).get(0), _this.current_lang, _this, rb);
						_this.inp = false;
					});
				var spn = $("<span />").addClass(obj.className).append(_this.inp);
				spn.attr("style", $(obj).attr("style"));
				obj.style.display = "none";
				$(obj).parent().prepend(spn);
				_this.inp.get(0).focus();
				_this.inp.get(0).select();
			},
			// REMOVE NODES
			remove : function(obj) {
				if(this.locked) return this.error("LOCKED");

				// Rollback
				var rb = {}; 
				rb[this.container.attr("id")] = this.get_rollback();

				if(obj && (!this.selected || this.get_node(obj).get(0) != this.selected.get(0) )) {
					obj = this.get_node(obj);
					if(obj.size()) {
						if(!this.check("deletable", obj)) return this.error("DELETE: NODE NOT DELETABLE");
						if(!this.settings.callback.beforedelete.call(null,obj.get(0), _this)) return this.error("DELETE: STOPPED BY USER");
						$parent = obj.parent();
						obj = obj.remove();
						$parent.children("li:last").addClass("last");
						if($parent.children("li").size() == 0) {
							$li = $parent.parents("li:eq(0)");
							$li.removeClass("open").removeClass("closed").addClass("leaf").children("ul").remove();
							this.set_cookie("open");
						}
						this.settings.callback.ondelete.call(null, obj.get(0), this, rb);
					}
				}
				else if(this.selected) {
					if(!this.check("deletable", this.selected)) return this.error("DELETE: NODE NOT DELETABLE");
					if(!this.settings.callback.beforedelete.call(null,this.selected.get(0), _this)) return this.error("DELETE: STOPPED BY USER");
					$parent = this.selected.parent();
					var obj = this.selected;
					if(this.settings.rules.multiple == false || this.selected_arr.length == 1) {
						var stop = true;
						var tmp = (this.selected.prev("li:eq(0)").size()) ? this.selected.prev("li:eq(0)") : this.selected.parents("li:eq(0)");
						// this.get_prev(true);
					}
					obj = obj.remove();
					$parent.children("li:last").addClass("last");
					if($parent.children("li").size() == 0) {
						$li = $parent.parents("li:eq(0)");
						$li.removeClass("open").removeClass("closed").addClass("leaf").children("ul").remove();
						this.set_cookie("open");
					}
					//this.selected = false;
					this.settings.callback.ondelete.call(null, obj.get(0), this, rb);
					if(stop && tmp) this.select_branch(tmp);
					if(this.settings.rules.multiple != false && !stop) {
						var _this = this;
						this.selected_arr = [];
						this.container.find("a.clicked").filter(":first-child").parent().each(function () {
							_this.selected_arr.push($(this));
						});
						if(this.selected_arr.length > 0) {
							this.selected = this.selected_arr[0];
							this.remove();
						}
					}
				}
				else return this.error("DELETE: NO NODE SELECTED");
			},
			// FOR EXPLORER-LIKE KEYBOARD SHORTCUTS
			get_next : function(force) {
				var obj = this.hovered || this.selected;
				if(obj) {
					if(obj.hasClass("open"))						return force ? this.select_branch(obj.find("li:eq(0)")) : this.hover_branch(obj.find("li:eq(0)"));
					else if($(obj).nextAll("li").size() > 0)	return force ? this.select_branch(obj.nextAll("li:eq(0)")) : this.hover_branch(obj.nextAll("li:eq(0)"));
					else											return force ? this.select_branch(obj.parents("li").next("li").eq(0)) : this.hover_branch(obj.parents("li").next("li").eq(0));
				}
			},
			get_prev : function(force) {
				var obj = this.hovered || this.selected;
				if(obj) {
					if(obj.prev("li").size()) {
						var obj = obj.prev("li").eq(0);
						while(obj.hasClass("open")) obj = obj.children("ul:eq(0)").children("li:last");
						return force ? this.select_branch(obj) : this.hover_branch(obj);
					}
					else { return force ? this.select_branch(obj.parents("li:eq(0)")) : this.hover_branch(obj.parents("li:eq(0)")); }
				}
			},
			get_left : function(force, rtl) {
				if(this.settings.ui.rtl && !rtl) return this.get_right(force, true);
				var obj = this.hovered || this.selected;
				if(obj) {
					if(obj.hasClass("open"))	this.close_branch(obj);
					else {
						return force ? this.select_branch(obj.parents("li:eq(0)")) : this.hover_branch(obj.parents("li:eq(0)"));
					}
				}
			},
			get_right : function(force, rtl) {
				if(this.settings.ui.rtl && !rtl) return this.get_left(force, true);
				var obj = this.hovered || this.selected;
				if(obj) {
					if(obj.hasClass("closed"))	this.open_branch(obj);
					else {
						return force ? this.select_branch(obj.find("li:eq(0)")) : this.hover_branch(obj.find("li:eq(0)"));
					}
				}
			},
			toggleDots : function () {
				this.container.toggleClass("no_dots");
			},
			set_cookie : function (type) {
				if(this.settings.cookies === false) return false;
				if(this.settings.cookies[type] === false) return false;
				switch(type) {
					case "selected":
						if(this.settings.rules.multiple != false && this.selected_arr.length > 1) {
							var val = Array();
							$.each(this.selected_arr, function () {
								val.push(this.attr("id"));
							});
							val = val.join(",");
						}
						else var val = this.selected ? this.selected.attr("id") : false;
						$.cookie(this.settings.cookies.prefix + '_selected',val,this.settings.cookies.opts);
						break;
					case "open":
						var str = "";
						this.container.find("li.open").each(function (i) { str += this.id + ","; });
						$.cookie(this.settings.cookies.prefix + '_open',str.replace(/,$/ig,""),this.settings.cookies.opts);
						break;
				}
			},
			get_rollback : function () {
				var rb = {};
				if(this.context.remove && this.context.apply_to) this.context.apply_to.children("a").removeClass("clicked");
				rb.html = this.container.html();
				if(this.context.remove && this.context.apply_to) this.context.apply_to.children("a").addClass("clicked");
				rb.selected = this.selected ? this.selected.attr("id") : false;
				return rb;
			},
			moved : function (what, where, how, is_new, is_copy, rb) {
				var what	= $(what);
				var $parent	= $(what).parents("ul:eq(0)");
				var $where	= $(where);

				// Rollback
				if(!rb) {
					var rb = {}; 
					rb[this.container.attr("id")] = this.get_rollback();
					if(!is_new) {
						var tmp = what.size() > 1 ? what.eq(0).parents(".tree:eq(0)") : what.parents(".tree:eq(0)");
						if(tmp.get(0) != this.container.get(0)) {
							tmp = tree_component.inst[tmp.attr("id")];
							rb[tmp.container.attr("id")] = tmp.get_rollback();
						}
						delete tmp;
					}
				}

				if(how == "inside" && this.settings.data.async && this.get_node($where).hasClass("closed")) {
					var _this = this;
					return this.open_branch(this.get_node($where), true, function () { _this.moved.apply(_this, [what, where, how, is_new, is_copy, rb]); });
				}

				// IF MULTIPLE
				if(what.size() > 1) {
					var _this = this;
					var tmp = this.moved(what.eq(0), where, how, false, is_copy, rb);
					what.each(function (i) {
						if(i == 0) return;
						if(tmp) { // if tmp is false - the previous move was a no-go
							tmp = _this.moved(this, tmp.children("a:eq(0)"), "after", false, is_copy, rb);
						}
					});
					return;
				}

				if(is_copy) {
					_what = what.clone();
					_what.each(function (i) {
						this.id = this.id + "_copy";
						$(this).find("li").each(function () {
							this.id = this.id + "_copy";
						});
						$(this).removeClass("dragged").find("a.clicked").removeClass("clicked ui-state-active").end().find("li.dragged").removeClass("dragged");
					});
				}
				else _what = what;
				if(is_new) {
					if(!this.settings.callback.beforecreate.call(null,this.get_node(what).get(0), this.get_node(where).get(0),how,this)) return false;
				}
				else {
					if(!this.settings.callback.beforemove.call(null,this.get_node(what).get(0), this.get_node(where).get(0),how,this)) return false;
				}

				if(!is_new) {
					var tmp = what.parents(".tree:eq(0)");
					// if different trees
					if(tmp.get(0) != this.container.get(0)) {
						tmp = tree_component.inst[tmp.attr("id")];

						// if there are languages - otherwise - no cleanup needed
						if(tmp.settings.languages.length) {
							var res = [];
							// if new tree has no languages - use current visible
							if(this.settings.languages.length == 0) res.push("." + tmp.current_lang);
							else {
								for(var i in this.settings.languages) {
									for(var j in tmp.settings.languages) {
										if(this.settings.languages[i] == tmp.settings.languages[j]) res.push("." + this.settings.languages[i]);
									}
								}
							}
							if(res.length == 0) return this.error("MOVE: NO COMMON LANGUAGES");
							what.find("a").not(res.join(",")).remove();
						}
						what.find("a.clicked").removeClass("clicked ui-state-active");
					}
				}
				what = _what;

				// ADD NODE TO NEW PLACE
				switch(how) {
					case "before":
						$where.parents("ul:eq(0)").children("li.last").removeClass("last");
						$where.parent().before(what.removeClass("last"));
						$where.parents("ul:eq(0)").children("li:last").addClass("last");
						break;
					case "after":
						$where.parents("ul:eq(0)").children("li.last").removeClass("last");
						$where.parent().after(what.removeClass("last"));
						$where.parents("ul:eq(0)").children("li:last").addClass("last");
						break;
					case "inside":
						if($where.parent().children("ul:first").size()) {
							if(this.settings.rules.createat == "top")	$where.parent().children("ul:first").prepend(what.removeClass("last")).children("li:last").addClass("last");
							else										$where.parent().children("ul:first").children(".last").removeClass("last").end().append(what.removeClass("last")).children("li:last").addClass("last");
						}
						else {
							what.addClass("last");
							$where.parent().append("<ul/>").removeClass("leaf").addClass("closed");
							$where.parent().children("ul:first").prepend(what);
						}
						if($where.parent().hasClass("closed")) { this.open_branch($where); }
						break;
					default:
						break;
				}
				// CLEANUP OLD PARENT
				if($parent.find("li").size() == 0) {
					var $li = $parent.parent();
					$li.removeClass("open").removeClass("closed").addClass("leaf").children("ul").remove();
					$li.parents("ul:eq(0)").children("li.last").removeClass("last").end().children("li:last").addClass("last");
					this.set_cookie("open");
				}
				else {
					$parent.children("li.last").removeClass("last");
					$parent.children("li:last").addClass("last");
				}

				// NO LONGER CORRECT WITH position PARAM - if(is_new && how != "inside") where = this.get_node(where).parents("li:eq(0)");
				if(is_copy)		this.settings.callback.oncopy.call(null, this.get_node(what).get(0), this.get_node(where).get(0), how, this, rb);
				else if(is_new)	this.settings.callback.oncreate.call(null, this.get_node(what).get(0), ($where.is("ul") ? -1 : this.get_node(where).get(0) ), how, this, rb);
				else			this.settings.callback.onmove.call(null, this.get_node(what).get(0), this.get_node(where).get(0), how, this, rb);
				return what;
			},
			error : function (code) {
				this.settings.callback.error.call(null,code,this);
				return false;
			},
			lock : function (state) {
				this.locked = state;
				if(this.locked)	this.container.addClass("locked");
				else			this.container.removeClass("locked");
			},
			cut : function (obj) {
				if(this.locked) return this.error("LOCKED");
				obj = obj ? this.get_node(obj) : this.container.find("a.clicked").filter(":first-child").parent();
				if(!obj || !obj.size()) return this.error("CUT: NO NODE SELECTED");
				this.copy_nodes = false;
				this.cut_nodes = obj;
			},
			copy : function (obj) {
				if(this.locked) return this.error("LOCKED");
				obj = obj ? this.get_node(obj) : this.container.find("a.clicked").filter(":first-child").parent();
				if(!obj || !obj.size()) return this.error("COPY: NO NODE SELECTED");
				this.copy_nodes = obj;
				this.cut_nodes = false;
			},
			paste : function (obj, position) {
				if(this.locked) return this.error("LOCKED");
				obj = obj ? this.get_node(obj) : this.selected;

				if(!obj || !obj.size()) return this.error("PASTE: NO NODE SELECTED");
				if(!this.copy_nodes && !this.cut_nodes) return this.error("PASTE: NOTHING TO DO");

				var _this = this;

				if(position == "before") {
					position = ref_node.parent().children().index(obj);
					obj = obj.parents("li:eq(0)");
				}
				else if(position == "after") {
					position = obj.parent().children().index(obj) + 1;
					obj = obj.parents("li:eq(0)");
				}
				else if((typeof position).toLowerCase() == "undefined" || position == "inside") {
					position = (this.settings.rules.createat == "top") ? 0 : obj.children("ul:eq(0)").children("li").size();
				}

				if(this.copy_nodes && this.copy_nodes.size()) {
					var ok = true;
					obj.parents().andSelf().each(function () {
						if(_this.copy_nodes.index(this) != -1) {
							ok = false;
							return false;
						}
					});
					if(!ok) return this.error("Invalid paste");
					if(!this.checkMove(this.copy_nodes, obj.children("a:eq(0)"), "inside")) return false;

					if(obj.children("ul").size() == 0)
						var a = this.moved(this.copy_nodes,obj.children("a:eq(0)"),"inside", false, true);
					else if(obj.children("ul:eq(0)").children("li:nth-child(" + (position + 1) + ")").size())
						var a = this.moved(this.copy_nodes,obj.children("ul:eq(0)").children("li:nth-child(" + (position + 1) + ")").children("a:eq(0)"),"before", false, true);
					else
						var a = this.moved(this.copy_nodes,obj.children("ul:eq(0)").children("li:last").children("a:eq(0)"),"after", false, true);
					this.copy_nodes = false;
				}
				if(this.cut_nodes && this.cut_nodes.size()) {
					var ok = true;
					obj.parents().andSelf().each(function () {
						if(_this.cut_nodes.index(this) != -1) {
							ok = false;
							return false;
						}
					});
					if(!ok) return this.error("Invalid paste");
					if(!this.checkMove(this.cut_nodes, obj.children("a:eq(0)"), "inside")) return false;

					if(obj.children("ul").size() == 0)
						var a = this.moved(this.cut_nodes,obj.children("a:eq(0)"),"inside");
					else if(obj.children("ul:eq(0)").children("li:nth-child(" + (position + 1) + ")").size())
						var a = this.moved(this.cut_nodes,obj.children("ul:eq(0)").children("li:nth-child(" + (position + 1) + ")").children("a:eq(0)"),"before");
					else
						var a = this.moved(this.cut_nodes,obj.children("ul:eq(0)").children("li:last").children("a:eq(0)"),"after");
					this.cut_nodes = false;
				}
			},
			search : function(str) {
				var _this = this;
				if(!str || (this.srch && str != this.srch) ) {
					this.srch = "";
					this.srch_opn = false;
					this.container.find("a.search").removeClass("search ui-state-highlight");
				}
				this.srch = str;
				if(!str) return;
				if(this.settings.data.async) {
					if(!this.srch_opn) {
						var dd = $.extend( { "search" : str } , this.settings.data.async_data(false) );
						$.ajax({
							type		: this.settings.data.method,
							url			: this.settings.data.url, 
							data		: dd, 
							dataType	: "text",
							success		: function (data) {
								_this.srch_opn = $.unique(data.split(","));
								_this.search.apply(_this,[str]);
							} 
						});
					}
					else if(this.srch_opn.length) {
						if(this.srch_opn && this.srch_opn.length) {
							var opn = false;
							for(var j = 0; j < this.srch_opn.length; j++) {
								if(this.get_node("#" + this.srch_opn[j]).size() > 0) {
									opn = true;
									var tmp = "#" + this.srch_opn[j];
									delete this.srch_opn[j];
									this.open_branch(tmp, true, function () { _this.search.apply(_this,[str]); } );
								}
							}
							if(!opn) {
								this.srch_opn = [];
								 _this.search.apply(_this,[str]);
							}
						}
					}
					else {
						var selector = "a";
						// IF LANGUAGE VERSIONS
						if(this.settings.languages.length) selector += "." + this.current_lang;
						this.container.find(selector + ":contains('" + str + "')").addClass( this.settings.ui.theme_name == "themeroller" ? "search ui-state-highlight" : "search");
						this.srch_opn = false;
					}
				}
				else {
					var selector = "a";
					// IF LANGUAGE VERSIONS
					if(this.settings.languages.length) selector += "." + this.current_lang;
					this.container.find(selector + ":contains('" + str + "')").addClass( this.settings.ui.theme_name == "themeroller" ? "search ui-state-highlight" : "search").parents("li.closed").each( function () { _this.open_branch(this, true); });
				}
			},

			destroy : function() {
				this.container.unbind().find("li").die().find("a").die();
				this.container.removeClass("tree ui-widget ui-widget-content").children("ul").removeClass("tree-" + this.settings.ui.theme_name).find("li").removeClass("leaf").removeClass("open").removeClass("closed").removeClass("last").children("a").removeClass("clicked hover search ui-state-active ui-state-hover ui-state-highlight ui-state-default");

				if(this.cntr == tree_component.focused) {
					for(var i in tree_component.inst) {
						if(i != this.cntr && i != this.container.attr("id")) {
							tree_component.inst[i].focus();
							break;
						}
					}
				}
				delete tree_component.inst[this.cntr];
				delete tree_component.inst[this.container.attr("id")];
				tree_component.cntr --;
			}
		}
	};
})(jQuery);