function rollover() {
	if (!document.getElementsByTagName) return false;
	var image = document.getElementsByTagName("img");
	for (i=0; i<image.length; i++) {
		if (image[i].getAttribute("src").match(/_off\./)){
	 		image[i].onmouseover = function() {
	 			this.setAttribute("src", this.getAttribute("src").replace("_off.","_ov."));
	 		}
	 		image[i].onmouseout = function() {
	 			this.setAttribute("src", this.getAttribute("src").replace("_ov.","_off."));
	 		}
		}
	}
}

function dopopUp() {
	if (!document.getElementsByTagName) return false;
	var links = document.getElementsByTagName("a");
	
	for (i=0; i<links.length; i++) {
		
		if (links[i].className.match("popup")) {
			links[i].onclick=(function(obj, num){
			return function(){
				var newWindow =window.open(obj.href, num, "width=450,height=600,scrollbars=1,resizable=1");
				newWindow.focus();
				return false;
			};})(links[i],i);
		}
		
		if (links[i].className.match("popup1")) {
			links[i].onclick=(function(obj, pop){
			return function(){
				var newWindow =window.open(obj.href,"pop","width=450,height=600,scrollbars=1,resizable=1");
				newWindow.focus();
				return false;
			};})(links[i],i);
		}
		
		if (links[i].className.match("popup2")) {
			links[i].onclick=(function(obj, pop2){
			return function(){
				var newWindow =window.open(obj.href,"pop2","width=450,height=500,scrollbars=1,resizable=1");
				newWindow.focus();
				return false;
			};})(links[i],i);
		}
	}
}

function areaPopUp() {
	if (!document.getElementsByTagName) return false;
	var links = document.getElementsByTagName("area");
	
	for (i=0; i<links.length; i++) {
		
		if (links[i].className.match("popup1")) {
			links[i].onclick=(function(obj, pop){
			return function(){
				var newWindow =window.open(obj.href,"pop","width=450,height=600,scrollbars=1,resizable=1");
				newWindow.focus();
				return false;
			};})(links[i],i);
		}
	}
}

function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	}else {
		window.onload = function() {
		oldonload();
		func();
		}
	}
}

addLoadEvent(rollover);
addLoadEvent(dopopUp);
addLoadEvent(areaPopUp);