/*function createDropDown(){
	dropDown = document.getElementById("mainNav");
	if(dropDown){
		var lis = dropDown.getElementsByTagName("li");
		for(var i = 0; i < lis.length; i++){
			addEvent(lis[i],"mouseover",dropDownNow);	
		}
	}
}

function dropDownNow(event){
	var targ = getTarget(event);
	var li = getTag(targ,"LI");
	var menu = li.getElementsByTagName("ul").length > 0 ? li.getElementsByTagName("ul")[0] : null;
	var linket = li.getElementsByTagName("a")[0];
	var parent = getTag(li,"UL");
	if(parent.id == "mainNav"){
		var subber = false;	
	}else{
		var subber = true;	
	}
	addEvent(li,"mouseout",dropDownEnd);
	addClass(linket,"navHover");
	if(menu != null){
		if(subber != true){
			menu.style.left = "-10px";
		}else{
			menu.style.left = "189px";
			menu.style.top = "0px";
		}	
	}
}

function dropDownEnd(event){
	var targ = getTarget(event);
	var li = getTag(targ,"LI");
	var linket = li.getElementsByTagName("a")[0];
	var menu = li.getElementsByTagName("ul").length > 0 ? li.getElementsByTagName("ul")[0] : null;
	var related = typeof event.relatedTarget != 'undefined' ? event.relatedTarget : event.toElement;
	if(typeof li.contains == "undefined"){
		li.contains = function(node){
			if (node == null) { return false; }
			if (node == this) { return true; }
			else { return this.contains(node.parentNode); }
		};
	}
	if(!li.contains(related)){
		removeEvent(linket,"mouseout",dropDownEnd);
		removeClass(linket,"navHover");
		if(menu != null){
			menu.style.left = "-2000px";	
		}
	}
}*/

function dropdownMenu(){
	var navid = "mainNav";
	var isie = (typeof document.all != 'undefined' && typeof window.opera == 'undefined' && navigator.vendor != 'KDE');
	if (typeof document.getElementById == 'undefined' || (navigator.vendor == 'Apple Computer, Inc.' && typeof window.XMLHttpRequest == 'undefined') || (isie && typeof document.uniqueID == 'undefined')){
	}
	var tree = document.getElementById(navid);
	if (tree){
		var items = tree.getElementsByTagName('li');
		for (var i = 0; i < items.length; i++){
			dropdownTrigger(tree, items[i], navid, isie);
		}
	}
}

function dropdownTrigger(tree, li, navid, isie){
	var a = li.getElementsByTagName('a')[0];
	var menu = li.getElementsByTagName('ul').length > 0 ? li.getElementsByTagName('ul')[0] : null;
	var horiz = tree.className.indexOf('horizontal') != -1;
	var issub = li.parentNode.id == navid;
		addEvent(li, 'mouseover', function(event){
			a.className += (a.className == '' ? '' : ' ') + 'navHover';
			if (menu){
				menu.style.left = issub ? a.offsetLeft + 'px' : a.offsetLeft+a.offsetWidth + 'px';
				menu.style.top = issub ? a.offsetHeight + 'px' : 0;
			}
		}, false);
		addEvent(li, 'mouseout', function(event){
			var related = typeof event.relatedTarget != 'undefined' ? event.relatedTarget : event.toElement;
			if (!li.contains(related)){
				a.className = a.className.replace(/ ?navHover/g, '');
				if (menu){
					menu.style.left = '-3000px';
					menu.style.top = "300px";
				}
			}
		}, false);
		if (!isie){
			li.contains = function(node){
				if (node == null) { return false; }
				if (node == this) { return true; }
			else { return this.contains(node.parentNode); }
		};
	}
}

addEvent(window,"load",dropdownMenu);

/*function dd(){
	var tree = document.getElementById("mainNav");
	var childs = tree.getElementsByTagName("li");;
	for(var i = 0; i < childs.length; i++){
		addEvents(childs[i],tree);
	}
}

function addEvents(li,tree){
	var a = li.getElementsByTagName("a")[0];
	var subMenu = li.getElementsByTagName("ul")[0] ? li.getElementsByTagName("ul")[0] : null;
	var overMenu = li.parentNode;
	var isSub = overMenu.id != tree.id;
	
	addEvent(li,"mouseover",function(event){
		a.className += (a.className.length == 0 ? '' : ' ') + "navHover";
		if(subMenu){
			if(isSub){
				subMenu.style.left = "0px";
				subMenu.style.top = "5px";
			}else{
				subMenu.style.left = "0px";
				subMenu.style.top = "110px";	
			}
		}
	});
	
	addEvent(li,"mouseout",function(event){
		a.className = a.className.replace(/ ?navHover/,"");
		if(subMenu){
			subMenu.style.left = "-3000px";
		}
	});
}

addEvent(window,"load",dd);*/