/* SWIM2.0 :: Simple website menu
****************************************************************
* DOM scripting by brothercake -- http://www.brothercake.com/
* Licensed under GPL -- http://www.gnu.org/copyleft/gpl.html
****************************************************************
* For professional menu solutions visit -- http://www.udm4.com/ 
****************************************************************
*/

window.onload = function()
	{
	var verticals = new simpleMenu('menu-v', 'vertical');
	var horizontals = new simpleMenu('menu-h', 'horizontal');
	};

function simpleMenu(navid, orient)
	{
	if(typeof document.getElementById == 'undefined' || /opera[\/ ][56]/i.test(navigator.userAgent))
		{
		return;
		}
	this.iskde = navigator.vendor == 'KDE';
	this.isie = typeof document.all != 'undefined' && typeof window.opera == 'undefined' && !this.iskde;
	this.isoldsaf = navigator.vendor == 'Apple Computer, Inc.' && typeof XMLHttpRequest == 'undefined';
	this.tree = document.getElementById(navid);
	if(this.tree != null)
		{
		this.items = this.tree.getElementsByTagName('li');
		this.itemsLen = this.items.length;
		var i = 0; 
		do
			{
			this.init(this.items[i], this.isie, this.isoldsaf, this.iskde, navid, orient);
			}
		while (++i < this.itemsLen);
		}
	}


simpleMenu.prototype.init = function(trigger, isie, isoldsaf, iskde, navid, ishoriz)
	{
	trigger.menu = trigger.getElementsByTagName('ul').length > 0 ? trigger.getElementsByTagName('ul')[0] : null;
	trigger.link = trigger.getElementsByTagName('a')[0];
	trigger.issub = trigger.parentNode.id == navid;
	trigger.ishoriz = ishoriz == 'horizontal';
	this.openers = { 'm' : 'onmouseover', 'k' : (isie ? 'onactivate' : 'onfocus') };
	for(var i in this.openers)
		{
		trigger[this.openers[i]] = function(e)
			{
			if(!iskde)
				{
				trigger.link.className += (trigger.link.className == '' ? '' : ' ') + 'rollover'; 
				}
			if(trigger.menu != null)
				{
				if(trigger.ishoriz)
					{
					trigger.menu.style.left = (isie || isoldsaf) ? trigger.offsetLeft + 'px' : 'auto';
					}
				trigger.menu.style.top = (trigger.ishoriz && trigger.issub) ? (isie || (trigger.ishoriz && isoldsaf)) ? trigger.link.offsetHeight + 'px' : 'auto' : (isie || (trigger.ishoriz && isoldsaf)) ? trigger.offsetTop + 'px' : '0';
				}
			};
		}

	this.closers = { 'm' : 'onmouseout', 'c' : 'onclick', 'k' : (isie ? 'ondeactivate' : 'onblur') };
	for(i in this.closers)
		{
		trigger[this.closers[i]] = function(e)
			{
			this.related = (!e) ? window.event.toElement : e.relatedTarget;
			if(!this.contains(this.related))
				{
				if(!iskde)
					{
					trigger.link.className = trigger.link.className.replace(/[ ]?rollover/g, '');
					}
				if(trigger.menu != null)
					{
					trigger.menu.style[(trigger.ishoriz ? 'left' : 'top')] = trigger.ishoriz ? '-10000px' : '-100em';
					}
				}
			};
		}
		
	if(!isie)
		{
		trigger.contains = function(node)
			{
			if (node == null)
				{
				return false;
	   			}
	   		if (node == this)
	   			{
	   			return true;
	   			}
	   		else
	   			{
	   			return this.contains(node.parentNode);
	   			}
	   		};
	   	}	
	}