sfHover = function() {
var sfEls = document.getElementById("nav1").getElementsByTagName("li");
for (var i=0; i<sfEls.length; i++) {
sfEls[i].onmouseover=function() {
sel = document.getElementsByTagName("select");
for (var i=0; i<sel.length; i++) {
sel[i].style.visibility = 'hidden'; 
}
this.className+=" sfhover";
}
sfEls[i].onmouseout=function() {
sel = document.getElementsByTagName("select");
for (var i=0; i<sel.length; i++) {
sel[i].style.visibility = 'visible'; 
}
this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
}
}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);


sfHover2 = function() {
var sfEls = document.getElementById("nav2").getElementsByTagName("li");
for (var i=0; i<sfEls.length; i++) {
sfEls[i].onmouseover=function() {
sel = document.getElementsByTagName("select");
for (var i=0; i<sel.length; i++) {
sel[i].style.visibility = 'hidden'; 
}
this.className+=" sfhover2";
}
sfEls[i].onmouseout=function() {
sel = document.getElementsByTagName("select");
for (var i=0; i<sel.length; i++) {
sel[i].style.visibility = 'visible'; 
}
this.className=this.className.replace(new RegExp(" sfhover2\\b"), "");
}
}
}
if (window.attachEvent) window.attachEvent("onload", sfHover2);


sfHover3 = function() {
	var sfEls = document.getElementById("nav3").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover3";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover3\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover3);