var addEvent = function(obj, type, fn)
{

	if (obj.addEventListener)
		obj.addEventListener(type, fn, false);
	else if (obj.attachEvent)
		obj.attachEvent('on' + type, function() { return fn.apply(obj, new Array(window.event)); });
}


/*
 * Treeview 1.4 - jQuery plugin to hide and show branches of a tree
 * 
 * http://bassistance.de/jquery-plugins/jquery-plugin-treeview/
 * http://docs.jquery.com/Plugins/Treeview
 *
 * Copyright (c) 2007 Jörn Zaefferer
 *
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 *
 * Revision: $Id: jquery.treeview.js 4684 2008-02-07 19:08:06Z joern.zaefferer $
 *
 */
;(function($) {

	$.extend($.fn, {
		swapClass: function(c1, c2) {
			var c1Elements = this.filter('.' + c1);
			this.filter('.' + c2).removeClass(c2).addClass(c1);
			c1Elements.removeClass(c1).addClass(c2);
			return this;
		},
		replaceClass: function(c1, c2) {
			return this.filter('.' + c1).removeClass(c1).addClass(c2).end();
		},
		hoverClass: function(className) {
			className = className || "hover";
			return this.hover(function() {
				$(this).addClass(className);
			}, function() {
				$(this).removeClass(className);
			});
		},
		heightToggle: function(animated, callback) {
			animated ?
				this.animate({ height: "toggle" }, animated, callback) :
				this.each(function(){
					jQuery(this)[ jQuery(this).is(":hidden") ? "show" : "hide" ]();
					if(callback)
						callback.apply(this, arguments);
				});
		},
		heightHide: function(animated, callback) {
			if (animated) {
				this.animate({ height: "hide" }, animated, callback);
			} else {
				this.hide();
				if (callback)
					this.each(callback);				
			}
		},
		prepareBranches: function(settings) {
			if (!settings.prerendered) {
				// mark last tree items
				this.filter(":last-child:not(ul)").addClass(CLASSES.last);
				// collapse whole tree, or only those marked as closed, anyway except those marked as open
				this.filter((settings.collapsed ? "" : "." + CLASSES.closed) + ":not(." + CLASSES.open + ")").find(">ul").hide();
			}
			// return all items with sublists
			return this.filter(":has(>ul)");
		},
		applyClasses: function(settings, toggler) {
			this.filter(":has(>ul):not(:has(>a))").find(">span").click(function(event) {
				toggler.apply($(this).next());
			}).add( $("a", this) ).hoverClass();
			
			if (!settings.prerendered) {
				// handle closed ones first
				this.filter(":has(>ul:hidden)")
						.addClass(CLASSES.expandable)
						.replaceClass(CLASSES.last, CLASSES.lastExpandable);
						
				// handle open ones
				this.not(":has(>ul:hidden)")
						.addClass(CLASSES.collapsable)
						.replaceClass(CLASSES.last, CLASSES.lastCollapsable);
						
	            // create hitarea
				this.prepend("<div class=\"" + CLASSES.hitarea + "\"/>").find("div." + CLASSES.hitarea).each(function() {
					var classes = "";
					$.each($(this).parent().attr("class").split(" "), function() {
						classes += this + "-hitarea ";
					});
					$(this).addClass( classes );
				});
			}
			
			// apply event to hitarea
			this.find("div." + CLASSES.hitarea).click( toggler );
		},
		treeview: function(settings) {
			
			settings = $.extend({
				cookieId: "treeview"
			}, settings);
			
			if (settings.add) {
				return this.trigger("add", [settings.add]);
			}
			
			if ( settings.toggle ) {
				var callback = settings.toggle;
				settings.toggle = function() {
					return callback.apply($(this).parent()[0], arguments);
				};
			}
		
			// factory for treecontroller
			function treeController(tree, control) {
				// factory for click handlers
				function handler(filter) {
					return function() {
						// reuse toggle event handler, applying the elements to toggle
						// start searching for all hitareas
						toggler.apply( $("div." + CLASSES.hitarea, tree).filter(function() {
							// for plain toggle, no filter is provided, otherwise we need to check the parent element
							return filter ? $(this).parent("." + filter).length : true;
						}) );
						return false;
					};
				}
				// click on first element to collapse tree
				$("a:eq(0)", control).click( handler(CLASSES.collapsable) );
				// click on second to expand tree
				$("a:eq(1)", control).click( handler(CLASSES.expandable) );
				// click on third to toggle tree
				$("a:eq(2)", control).click( handler() ); 
			}
		
			// handle toggle event
			function toggler() {
				$(this)
					.parent()
					// swap classes for hitarea
					.find(">.hitarea")
						.swapClass( CLASSES.collapsableHitarea, CLASSES.expandableHitarea )
						.swapClass( CLASSES.lastCollapsableHitarea, CLASSES.lastExpandableHitarea )
					.end()
					// swap classes for parent li
					.swapClass( CLASSES.collapsable, CLASSES.expandable )
					.swapClass( CLASSES.lastCollapsable, CLASSES.lastExpandable )
					// find child lists
					.find( ">ul" )
					// toggle them
					.heightToggle( settings.animated, settings.toggle );
				if ( settings.unique ) {
					$(this).parent()
						.siblings()
						// swap classes for hitarea
						.find(">.hitarea")
							.replaceClass( CLASSES.collapsableHitarea, CLASSES.expandableHitarea )
							.replaceClass( CLASSES.lastCollapsableHitarea, CLASSES.lastExpandableHitarea )
						.end()
						.replaceClass( CLASSES.collapsable, CLASSES.expandable )
						.replaceClass( CLASSES.lastCollapsable, CLASSES.lastExpandable )
						.find( ">ul" )
						.heightHide( settings.animated, settings.toggle );
				}
			}
			
			function serialize() {
				function binary(arg) {
					return arg ? 1 : 0;
				}
				var data = [];
				branches.each(function(i, e) {
					data[i] = $(e).is(":has(>ul:visible)") ? 1 : 0;
				});
				$.cookie(settings.cookieId, data.join("") );
			}
			
			function deserialize() {
				var stored = $.cookie(settings.cookieId);
				if ( stored ) {
					var data = stored.split("");
					branches.each(function(i, e) {
						$(e).find(">ul")[ parseInt(data[i]) ? "show" : "hide" ]();
					});
				}
			}
			
			// add treeview class to activate styles
			this.addClass("treeview");
			
			// prepare branches and find all tree items with child lists
			var branches = this.find("li").prepareBranches(settings);
			
			switch(settings.persist) {
			case "cookie":
				var toggleCallback = settings.toggle;
				settings.toggle = function() {
					serialize();
					if (toggleCallback) {
						toggleCallback.apply(this, arguments);
					}
				};
				deserialize();
				break;
			case "location":
				var current = this.find("a").filter(function() { return this.href.toLowerCase() == location.href.toLowerCase(); });
				if ( current.length ) {
					current.addClass("selected").parents("ul, li").add( current.next() ).show();
				}
				break;
			}
			
			branches.applyClasses(settings, toggler);
				
			// if control option is set, create the treecontroller and show it
			if ( settings.control ) {
				treeController(this, settings.control);
				$(settings.control).show();
			}
			
			return this.bind("add", function(event, branches) {
				$(branches).prev()
					.removeClass(CLASSES.last)
					.removeClass(CLASSES.lastCollapsable)
					.removeClass(CLASSES.lastExpandable)
				.find(">.hitarea")
					.removeClass(CLASSES.lastCollapsableHitarea)
					.removeClass(CLASSES.lastExpandableHitarea);
				$(branches).find("li").andSelf().prepareBranches(settings).applyClasses(settings, toggler);
			});
		}
	});
	
	// classes used by the plugin
	// need to be styled via external stylesheet, see first example
	var CLASSES = $.fn.treeview.classes = {
		open: "open",
		closed: "closed",
		expandable: "expandable",
		expandableHitarea: "expandable-hitarea",
		lastExpandableHitarea: "lastExpandable-hitarea",
		collapsable: "collapsable",
		collapsableHitarea: "collapsable-hitarea",
		lastCollapsableHitarea: "lastCollapsable-hitarea",
		lastCollapsable: "lastCollapsable",
		lastExpandable: "lastExpandable",
		last: "last",
		hitarea: "hitarea"
	};
	
	// provide backwards compability
	$.fn.Treeview = $.fn.treeview;

})(jQuery);


/**
* Cookie plugin
*
* Copyright (c) 2006 Klaus Hartl (stilbuero.de)
* Dual licensed under the MIT and GPL licenses:
* http://www.opensource.org/licenses/mit-license.php
* http://www.gnu.org/licenses/gpl.html
*
*/

jQuery.cookie = function(name, value, options)
{
	if (typeof value != 'undefined')
	{ // name and value given, set cookie
		options = options || {};
		if (value === null)
		{
			value = '';
			options.expires = -1;
		}
		var expires = '';
		if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString))
		{
			var date;
			if (typeof options.expires == 'number')
			{
				date = new Date();
				date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000));
			} else
			{
				date = options.expires;
			}
			expires = '; expires=' + date.toUTCString(); // use expires attribute, max-age is not supported by IE
		}
		// CAUTION: Needed to parenthesize options.path and options.domain
		// in the following expressions, otherwise they evaluate to undefined
		// in the packed version for some reason...
		var path = options.path ? '; path=' + (options.path) : '';
		var domain = options.domain ? '; domain=' + (options.domain) : '';
		var secure = options.secure ? '; secure' : '';
		document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');
	} else
	{ // only name given, get cookie
		var cookieValue = null;
		if (document.cookie && document.cookie != '')
		{
			var cookies = document.cookie.split(';');
			for (var i = 0; i < cookies.length; i++)
			{
				var cookie = jQuery.trim(cookies[i]);
				// Does this cookie string begin with the name we want?
				if (cookie.substring(0, name.length + 1) == (name + '='))
				{
					cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
					break;
				}
			}
		}
		return cookieValue;
	}
};


Date.prototype.setISO8601 = function (string) {
    var regexp = "([0-9]{4})(-([0-9]{2})(-([0-9]{2})" +
        "(T([0-9]{2}):([0-9]{2})(:([0-9]{2})(\.([0-9]+))?)?" +
        "(Z|(([-+])([0-9]{2}):([0-9]{2})))?)?)?)?";
    var d = string.match(new RegExp(regexp));

    var offset = 0;
    var date = new Date(d[1], 0, 1);

    if (d[3]) { date.setMonth(d[3] - 1); }
    if (d[5]) { date.setDate(d[5]); }
    if (d[7]) { date.setHours(d[7]); }
    if (d[8]) { date.setMinutes(d[8]); }
    if (d[10]) { date.setSeconds(d[10]); }
    if (d[12]) { date.setMilliseconds(Number("0." + d[12]) * 1000); }
    if (d[14]) {
        offset = (Number(d[16]) * 60) + Number(d[17]);
        offset *= ((d[15] == '-') ? 1 : -1);
    }

    // offset -= date.getTimezoneOffset();
    time = (Number(date) + (offset * 60 * 1000));
    this.setTime(Number(time));
}

Date.prototype.show = function(endDate){
	var d = this;
	
	var monthArray = ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'];
	var y = this.getYear();

	var t = "";
	t += this.getDate() + " ";
	t += monthArray[this.getMonth() ] + "  ";
	t += y> 1900 ? y : (y+1900);

	if (endDate && endDate.toDateString() != this.toDateString()) {
		y = endDate.getYear();
		t += " - ";
		t += endDate.getDate() + " ";
		
		t += monthArray[endDate.getMonth() ] + "  ";
		t += y> 1900 ? y : (y+1900);
	}

	return t;
}