window.onload = function() {
	for (var i=0, iNode = document.getElementsByTagName('img'); i<iNode.length; i++)
		if (iNode[i].className.indexOf('rollover', 0) > -1)
			Rollover(iNode[i]);
	for (var i=0, iNode = document.getElementsByTagName('a'); i<iNode.length; i++)
		if (iNode[i].className.indexOf('tblank', 0) > -1)
			iNode[i].onclick = function() {window.open(this.href); return false;}
}

function Rollover(obj) {
	if (obj.onmouseover)
		return;
	img1 = obj.src;
	img2 = img1.replace(".jpg","_.jpg").replace(".gif","_.gif").replace(".png","_.png");
	eval("obj.onmouseover = function() {this.src='" + img2 + "';}");
	eval("obj.onmouseout  = function() {this.src='" + img1 + "';}");
	ImgObj = new Image();
	ImgObj.src = img2;
}