function initImageRollovers() {
	var rolloverWrapper = document.getElementById("rollovers");
	if(rolloverWrapper) {
		var rollovers = rolloverWrapper.getElementsByTagName("div");
		for (i = 0; i < rollovers.length; i++) {
			if (rollovers[i].className.indexOf("item") >= 0) {
				rollovers[i].onmouseover = rollon;
				rollovers[i].onmouseout  = rolloff;
			}
		}
	}
}

function rollon() {
	if (this.className.indexOf("over") < 0) {
		this.className += " over";
	}
}

function rolloff() {
	this.className=this.className.replace(" over", "");
}