HideAll = function() {
	var dgg = document.getElementById("nav").getElementsByTagName("LI");
	for (var a=0; a<dgg.length; a++) {
		dgg[a].className=dgg[a].className.replace(new RegExp("(.*)sfhover\\b"), "");
	}
}



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

window.onload = sfHover;


function gowindow(str, titolo,w,h) {
 openwin = window.open(str,titolo,'width='+ w +',height='+ h +',status=no,scrollbars=yes,resizable=no,location=no,toolbar=no');
 }

function gowindow1(str, titolo,w,h) {
 openwin = window.open(str,titolo,'width='+ w +',height='+ h +',status=no,scrollbars=no,resizable=no,location=no,toolbar=no');
 }