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."));
				}
			}
		}
		
		var inputObj = document.getElementsByTagName("input");
		
		for(var i=0; i < inputObj.length; i++) {
			if(inputObj[i].getAttribute("src") && inputObj[i].getAttribute("src").match("_off."))
			{
				inputObj[i].onmouseover = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_off.", "_on."));
				}
				inputObj[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 current_img(str){
	var imgsrc=document.getElementById(str);
	if (imgsrc.src.match(/^(.*_)off(\..*)$/)){
		imgsrc.src = RegExp.$1 + 'on' + RegExp.$2;
	}
}