var newWin = null;
function popUp(strURL, strType, strHeight, strWidth) {
	if (newWin != null && !newWin.closed)
		newWin.close();
		var strOptions="";
	if (strType=="popup")
		strOptions="location=0,menubar=1,resizable=1,scrollbars=1,status=0,titlebar=0,toolbar=0,height="+strHeight+",width="+strWidth;
	newWin = window.open(strURL, 'newWin', strOptions);
	newWin.focus();
}
sfHover = function() {
var nav = document.getElementById("nav");
if (nav) {
	var sfEls = nav.getElementsByTagName("LI");
	for (var i=0; i < sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);