<!--
// preload rollover images
if (document.images) {

		img0on = new Image();
        img0on.src = "/img/sp_bt_home_mo.png";
        img0off = new Image();
        img0off.src = "/img/sp_bt_home.png";
        		
        img1on = new Image();
        img1on.src = "/img/sp_bt_about_mo.png";
        img1off = new Image();
        img1off.src = "/img/sp_bt_about.png";
		
        img2on = new Image();
        img2on.src = "/img/sp_bt_research_mo.png";
        img2off = new Image();
        img2off.src = "/img/sp_bt_research.png";
		
        img3on = new Image();
        img3on.src = "/img/sp_bt_publications_mo.png";
        img3off = new Image();
        img3off.src = "/img/sp_bt_publications.png";
		
        img4on = new Image();
        img4on.src = "/img/sp_bt_scholarships_mo.png";
        img4off = new Image();
        img4off.src = "/img/sp_bt_scholarships.png";
	
		img5on = new Image();
        img5on.src = "/img/sp_bt_library_mo.png";
        img5off = new Image();
        img5off.src = "/img/sp_bt_library.png";
		
		img6on = new Image();
        img6on.src = "/img/sp_bt_donate_mo.png";
		img6off = new Image();
        img6off.src = "/img/sp_bt_donate.png";
		
		img7on = new Image();
        img7on.src = "/img/sp_bt_related_mo.png";
		img7off = new Image();
        img7off.src = "/img/sp_bt_related.png";	                                                                        
}
function imgSwap (imgName,imgFile)  { 
        if (document.getElementById)  {
                document.getElementById(imgName).src = eval (imgFile + ".src");
        }
}
// create email links
function MailTo ()
{
	if (document.getElementsByTagName)
	{
		var Spans, i, SpanText, EndUser, StartDomain, User, Domain
		// get all span tags
		Spans = document.getElementsByTagName("span");
		// loop through span tags
		for (i=0; i<Spans.length; i++)
		{
		    // if the span tag has "email" for its class
			if (/email/.test(Spans[i].className))
			{
			    // if div tag has children, get first child's value and obtain user and domain
				while (Spans[i].firstChild)
				{
					SpanText = Spans[i].firstChild.nodeValue;
					EndUser = SpanText.indexOf('(');
					StartDomain = SpanText.indexOf(')') + 1;
					if (EndUser != -1 && StartDomain != -1)
					{
					    //get the user and domain and then remove the current text in span
						User = SpanText.substring(0, EndUser);
						Domain = SpanText.substring(StartDomain, SpanText.length);
						Spans[i].removeChild(Spans[i].firstChild);
					}	
				}
				//create hyperlink mailto
				var EmailLink = document.createElement("A");
				var EmailAddress = "mai" + "lto:" + User + "@" + Domain;
				EmailLink.setAttribute("href", EmailAddress);
				EmailLink.appendChild(document.createTextNode(User + "@" + Domain));
				Spans[i].appendChild(EmailLink);
			}
		}
		
	}
}	
//-->