var initMainNav = function(){
	if (!$("navigationList")) return;
	var d = document;
	
	$$("ul#navigationList li").each(function(li, i){
		var a = li.getFirst();
		var ul = a.getNext();
		if (ul && ul.hasClass("selected")) {
			d.s = ul;
		}
		var isFirstLevel = (li.getParent() == $("navigationList"))
		if (isFirstLevel) {
			li.addEvent("mouseenter", function(e){
			
				var u = li.getFirst().getNext();
				
				if (u && u.hasClass("selected")) {
					
					d.s = u;
				}
				
				if (d.s){
					
					d.s.setStyle("visibility", "hidden");
				}
				
				if (ul) {
					
					ul.setStyle("visibility", "visible");
				}
				//alert(d.s);
				a.setStyle("background", "");
			});
			
			li.addEvent("mouseleave", function(e){
				var u = li.getFirst().getNext();
				if (u && u.hasClass("selected")) d.s = u;
				if (ul) ul.setStyle("visibility", "hidden");
				if (d.s) d.s.setStyle("visibility", "visible");
				if (!a.hasClass("selected")) a.setStyle("background", "");
			});
		}
	});
	
	
	//
	$$("ul#navigationList a").each(function(a, i){
		a.addEvent("click", function(e){
			// reset selected items
			$$("ul#navigationList a").each(function(a, i){
				a.removeClass("selected");
				a.setStyle("background", "");
			});
			$$("ul#navigationList ul").each(function(ul, i){
				ul.removeClass("selected");
			});
			// set selected items
			var pUL = a.getParent().getParent();
			var sUL = (pUL && pUL == $("navigationList")) ? a.getNext() : pUL;
			var sPA = (pUL && pUL == $("navigationList")) ? a : pUL.getPrevious();
			var sSA = (pUL && pUL == $("navigationList") && sUL) ? sUL.getFirst().getFirst() : a;
			//
			if (sUL) sUL.addClass("selected");
			if (sPA) sPA.addClass("selected");
			if (sSA) sSA.addClass("selected");
		});
	});
}

//
window.addEvent("load", function(){
	initMainNav();
});
function MM_openBrWindow(theUrl) { 
	var imgs = new Image(); 
	imgs.onload = function(){ 
		imgs.onload = null;
		var w = imgs.width; 
		var h = imgs.height; 
		var l = (window.getScrollLeft() + (window.getWidth() - w) / 2); 
		var t = (window.getScrollTop() + (window.getHeight() - h) / 2); 
		window.open('/popup.html?link=' + theUrl, '_blank', 'width=' + w + ',height=' + h + ', left=' + l + ',top=' + t); 
		
	}
	imgs.src = theUrl; 
}