function smartRollover() {
	if(document.getElementsByTagName) {
		var images = document.getElementsByTagName("img");

		for(var i=0; i < images.length; i++) {
			if(images[i].getAttribute("src").match("_off."))
			{
				images[i].onmouseover = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_off.", "_on."));
				}
				images[i].onmouseout = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_on.", "_off."));
				}
			}
		}
	}
}

if(window.addEventListener) {
	window.addEventListener("load", smartRollover, false);
}
else if(window.attachEvent) {
	window.attachEvent("onload", smartRollover);
}

function swimg(id,src){
	document.getElementById(id).style.backgroundImage = 'url(' + src + ')';
}
function swsrc(id,src){
	document.getElementById(id).src = src;
}


function wopen(page){
	window.open(page,"yvision","toolbar=no,location=no,dirctory=no,status=yes,menubar=no,scrollbars=no,resizable=no,width=640,height=405")
}