function OpenSubWindow(url) {
	SubWindow = window.open(url, "", "width=600,height=400,scrollbars=yes");
	SubWindow.focus();
	return false;
}

function sfHover() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	var select = document.getElementsByTagName("select");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
			
			for(var i=0;i<select.length;i++) {
				select[i].style.visibility = "hidden";
			}
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");

			for(var i=0;i<select.length;i++) {
				select[i].style.visibility = "visible";
			}
		}
	}
}