function rolloverInit() {
	var j = 5;
	for (var i=0; i<document.images.length; i++) {
		if (document.images[i].id && document.images[i].className == "menu_img") {
			setupRollover(document.images[i]);
		}
	}
}

function setupRollover(thisImage) {
	thisImage.outImage = new Image();
	thisImage.outImage.src = thisImage.src;
	thisImage.onmouseout = rollOut;

	thisImage.overImage = new Image();
	thisImage.overImage.src = base_url+"img/" + thisImage.id + "_on.jpg";
	thisImage.onmouseover = rollOver;
}

function rollOver() {
	this.src = this.overImage.src;
}

function rollOut() {
	this.src = this.outImage.src;
}

function emailCloak() {
if (document.getElementById) {
var alltags = document.all? document.all : document.getElementsByTagName("*");
for (i=0; i < alltags.length; i++) {
if (alltags[i].className == "emailCloak") {
var oldText = alltags[i].firstChild;
var emailAddress = alltags[i].firstChild.nodeValue;
var usr = emailAddress.substring(0, emailAddress.indexOf("("));
var wb = emailAddress.substring(emailAddress.indexOf(")")+1, emailAddress.length);
var newText = usr+"@"+wb;
var a = document.createElement("a");
a.href = "mailto:"+newText;
var address = document.createTextNode(newText);
a.appendChild(address);
alltags[i].replaceChild(a,oldText);
}
}
}
}