function popup(page) {
      window.open(page, '', 'location=no, menubar=no, status=no, scrollbars=yes, menubar=no, resizable=no');
//        window.open(page, '', 'fullscreen=yes');
    }
	
sfHover = function() {
	var sfEls = document.getElementById("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);