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);


function hideSelect(){
for (j=0; j<document.forms.length; j++) {
var theForm = document.forms[j]
for(i=0; i<theForm.elements.length; i++){

var alertText = ""
if(theForm.elements.type == "select-one") {
theForm.elements.style.visibility = "hidden";
}
}
}
} 
function unhideSelect(){
for (j=0; j<document.forms.length; j++) {
var theForm = document.forms[j]
for(i=0; i<theForm.elements.length; i++){

var alertText = ""
if(theForm.elements.type == "select-one") {
theForm.elements.style.visibility = "visible";
}
}
}
}