Utils.createWCH = function(element) {
	var f = null;
	element = element || window.self.document.body;
		if (Prototype.Browser.IE) {
		var filter = 'filter:progid:DXImageTransform.Microsoft.alpha(style=0,opacity=0);';
		var id = "WCH" + Math.ceil(Math.random() * 1000) ;
		element.insertAdjacentHTML
			('beforeEnd', '<iframe id="' + id + '" scroll="no" frameborder="0" ' +
			 'style="z-index:0;position:absolute;border:0;top:0;left:0;width:0;height:0; visibility:hidden;' + filter +	
			 ' background-color: white;" ' +
			 'src="javascript:false;"></iframe>');
		f = window.self.document.getElementById(id);
	}
	return f;
};
 
Utils.setupWCH = function(f, el) {
	if (f) {
		var offs = Element.cumulativeOffset(el);
		var dim  = Element.getDimensions(el);
		f.style.width = dim.width + "px"; 
		f.style.height = dim.height + "px";
		f.visibility = "inherit";
 
	}
};
 
Utils.hideWCH = function(f) {
	if (f)
		f.style.visibility = "hidden";
};
 
Utils.destroy = function(el) {
	if (el && el.parentNode)
		el.parentNode.removeChild(el);
};
 
 
Utils.showWCH = function(f) {
	if (f)
		f.style.visibility = "";
};

HTML.__wch = new Array();
Event.observe(window, 'load', init, false);
function init() {
	if (Prototype.Browser.IE) {	
	   var k =0;
        $$("#menu li").each( function(li){											 
			if(li.lastChild.tagName=="UL" || li.lastChild.tagName=="ul"){ 
				 li.setAttribute("num", k);
				 HTML.__wch[k] = Utils.createWCH(li.lastChild);
             	li.onmouseover=function() {
					var ul= this.lastChild;					  
				    var ki = this.getAttribute("num");
					HTML.__wch[ki].style.zIndex = -1;
			        ul.style.display="block";
					Utils.setupWCH(HTML.__wch[ki],ul);
					Utils.showWCH(HTML.__wch[ki]);                  
                }
                li.onmouseout=function() { 
				  var ki = this.getAttribute("num");
                   this.lastChild.style.display="none";
				   Utils.hideWCH(HTML.__wch[ki]);
 
                }
				k++;
			}
 
        });
 
   }
 
	}