sfHover = function() {
	var sfEls = document.getElementById("sitenav").getElementsByTagName("li");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" hover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" hover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);


//ARE WE USING EXPLORER?
var g_isIE = navigator.appName.indexOf("Microsoft")!=-1;
var userAgent = navigator.userAgent.toLowerCase();
var version = parseFloat((userAgent.match( /.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/ ) || [])[1]);
if(g_isIE && version <='7' ){
	var oldIE = true;
}