ieHover = function() {
			var ieLIs = document.getElementById('main-nav').getElementsByTagName('li');
			for (var i=0; i<ieLIs.length; i++) if (ieLIs[i]) {
				ieLIs[i].onmouseover=function() {
				var ieUL = this.getElementsByTagName('ul')[0];
				if (ieUL) {
				var ieMat = document.createElement('iframe');
								ieMat.style.width=ieUL.offsetWidth+"px";
								ieMat.style.height=ieUL.offsetHeight+"px";	
								ieUL.insertBefore(ieMat,ieUL.firstChild);
								ieUL.style.zIndex="99";
								}
					
					this.className+=" iehover";
					}
				ieLIs[i].onmouseout=function() {
				var ieUL = this.getElementsByTagName('ul')[0];
				if (ieUL) { ieUL.removeChild(ieUL.firstChild); }
					this.className=this.className.replace(' iehover', '');
					}
					}
			}
		if (window.attachEvent) window.attachEvent('onload', ieHover);