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") >= 0)
			{
				 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";
		}
		getElm[i].onmouseout=function() 
    {
			this.className = this.className.replace(new RegExp(" iehover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", stuHover);