iehover = function() {
	//if not ie then return
	if (navigator.userAgent.toLowerCase().indexOf('msie') == -1) return;
	
	//get topNav
	var topNav = document.getElementById('sectionNavContainer');
	if (topNav) {
	
		//loop through all lis
		var ieLIs = topNav.getElementsByTagName('li');

		for(var i=0; i<ieLIs.length; i++){
			var li = ieLIs[i];

			//add mouseovers to parents only
			if (li.className.indexOf("sectionNavTop") > -1) {
				li.onmouseover=function() { this.className+=" csshover"; this.getElementsByTagName("a")[0].className="sectionNavTopHover"; }
				li.onmouseout=function() { this.className=this.className.replace(" csshover", ""); this.getElementsByTagName("a")[0].className="sectionNavTop";  }

				//get first ul
				var ul = li.getElementsByTagName("ul")[0];
				if(ul) {
			
					//create iframe and add to li
					var iframe = document.createElement("iframe");	
					iframe.src = "about:blank";
					iframe.style.height = (ul.offsetHeight + 5) + "px";
					li.appendChild(iframe);			
					
					//set zindexes
					iframe.style.zIndex = 2;
					ul.style.zIndex = 3;
				}			
			}
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", iehover);