function initMouseOvers() {
var links = document.getElementsByTagName('img');
for (var i=0;i<links.length;i++) {
	if (links[i].className == 'imageLink') {
	var moSrc = links[i].src.substring(0,links[i].src.lastIndexOf('.'));
		moSrc += '_hover.jpg';
		links[i].moSrc = moSrc;
		links[i].origSrc = links[i].src;
		links[i].onmouseover = function () {
				this.src = this.moSrc;
		}
		links[i].onmouseout = function () {
				this.src = this.origSrc;
		}
	} }
}