function initRollovers() {
	if (!document.getElementById) return
	
	var aPreLoad = new Array();
	var sTempSrc;
	var aImages = document.getElementsByTagName('img');

	for (var i = 0; i < aImages.length; i++) {		
		if (aImages[i].className == 'imgover') {
			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '_roll'+ftype);

			if ((src.search(topic) == -1) || (src.search("feat") != -1) || (src.search("timeline") != -1)) {
				aImages[i].setAttribute('hsrc', hsrc);
				
				aPreLoad[i] = new Image();
				aPreLoad[i].src = hsrc;

				aImages[i].onmouseover = function() {
					sTempSrc = this.getAttribute('src');
					this.setAttribute('src', this.getAttribute('hsrc'));
				}	
				
				aImages[i].onmouseout = function() {
					if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_roll'+ftype, ftype);
					this.setAttribute('src', sTempSrc);
				}
			} else {
				aImages[i].setAttribute('src', hsrc);
			}
		}
	}
}

window.onload = initRollovers;

function openDW(url, width, height) {
	var winDW;
	var winName;
	var specs;
	winName  = "daughter";
	specs = "toolbar=no,";
	specs += "location=no,";
	specs += "directories=no,";
	specs += "status=no,";
	specs += "menubar=no,";
	specs += "scrollbars=yes,";
	specs += "resizable=yes,";
	specs += "top=50,";
	specs += "left=50,";
	specs += "width="+width+",";
	specs += "height="+height;
	winDW = window.open(url, winName, specs);
	winDW.opener.name = "fred";
}