stuHover = function() {
	var cssRule;
	var newSelector;
	for (var i = 0; i < document.styleSheets.length; i++)
		for (var x = 0; x < document.styleSheets[i].rules.length ; x++)
			{
			cssRule = document.styleSheets[i].rules[x];
			if (cssRule.selectorText.indexOf("LI:hover") != -1)
			{
				 newSelector = cssRule.selectorText.replace(/LI:hover/gi, "LI.iehover");
				document.styleSheets[i].addRule(newSelector , cssRule.style.cssText);
			}
			
		}
	var getElm = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<getElm.length; i++) {
	        getElm[i].onmouseover=function() {
	            this.className +=" iehover";
//	            $$('div.menuItemContainer')[2].style.background = "url('/img/dd-sus.gif') top left repeat-x;";
	        }
	        getElm[i].onmouseout=function() {
	            this.className=this.className.replace(new RegExp(" iehover\\b"), "");
//	            $$('div.menuItemContainer')[2].style.background = "";
	        }
	}
}

Prototype.Browser.IE6=Prototype.Browser.IE &&
parseInt(navigator.userAgent.substring
(navigator.userAgent.indexOf("MSIE")+5))==6;
Prototype.Browser.IE7=Prototype.Browser.IE && !Prototype.Browser.IE6;



if (Prototype.Browser.IE6) window.attachEvent("onload", stuHover);