// JavaScript Document


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);







var Open = ""
var Closed = ""

function preload(){
if(document.images){
	Open = new Image(16,13)    
	Closed = new Image(16,13)
	Open.src = "open.gif"
	Closed.src = "closed.gif"
}}


function showhide(what,what2){
if (what.style.display=='none'){
what.style.display='';
what2.src=Open.src

}
else{
what.style.display='none'
what2.src=Closed.src
}
}