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

if (window.attachEvent) window.attachEvent("onload", sfHover);

sfHover2 = function() { 
	var sfEls = document.getElementById("sidebar").getElementsByTagName("LI"); 
	for (var i=0; i<sfEls.length; i++) { 
		sfEls[i].onmouseover=function() 
		{ 
			this.className+=" sfhover2";
		} // end sfEls
		sfEls[i].onmouseout=function() 
		{ 
			this.className=this.className.replace(new RegExp(" sfhover2\\b"), "");
		} // end sfEls
	} // end for loop
}// end sfhover2
if (window.attachEvent) window.attachEvent("onload", sfHover2);

function loadHighlightsImages() {
var code3 = '<a href="#" onclick="javascript:showlayer(\'chatLayer\')"><img src="/library/images/openchat.png"  border="0" id="openbutton" alt="Chat with a library staff member"/></a>';document.getElementById('chatbubble').innerHTML = code3;}

function showlayer(layer){
var myLayer = document.getElementById(layer).style.display;
if(myLayer=="none"){
document.getElementById(layer).style.display="block";
} else {
document.getElementById(layer).style.display="none";
}
}