navHover = function() {
	
	var lis = document.getElementById("navigation").getElementsByTagName("LI");
	for (var i=0; i<lis.length; i++) {
		lis[i].onmouseover=function() {
			this.className+=" iehover";
		}
		lis[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" iehover\\b"), "");
		}
	}
}



Event.observe(window, 'load', externalLinks, false);
if( navigator.userAgent.indexOf('MSIE') > 0 )Event.observe(window, 'load', navHover, false);