function DoChange(titleTxt,siteDesc,img,imgTag) 
{ 
   document.getElementById("siteTitle").innerHTML=titleTxt;
   document.getElementById("siteDesc").innerHTML='<p>'+siteDesc+'</p>';
   document.getElementById("fullImage").innerHTML='<img src="'+img+'" alt="'+imgTag+'" />';
}

function toggleblock(whichLayer, name) {
if (document.getElementById) {
	if (document.getElementById(whichLayer).style.display == "block") {
		document.getElementById(whichLayer).style.display = "none";
		if (document.images) {
			document.images[name].src = "images/expand.gif";
		}
	} else if (document.getElementById(whichLayer).style.display == "none") {
		document.getElementById(whichLayer).style.display = "block";
		if (document.images) {
			document.images[name].src = "images/collapse.gif";
		}
	}
}
}
image1 = new Image();
image1.src = "images/expand.gif";

image2 = new Image();
image2.src = "images/collapse.gif";