function mouseOver(anker) {
	var src = anker.firstChild.src;
	src = src.substring(0, src.lastIndexOf('_')) + '_ovr.jpg';
	anker.firstChild.src = src;
}
function mouseOut(anker) {
	var src = anker.firstChild.src;
	src = src.substring(0, src.lastIndexOf('_')) + '_out.jpg';
	anker.firstChild.src = src;
}
function preload() {
	//var test = '';
	var need = /mouseOver\(this\)/i;
	var omo = '';
	var src = '';
	for(var i=0; i < document.links.length; ++i) {
		omo = document.links[i].getAttribute("onmouseover") + '';
		if (omo.match(need)) {
			src = document.links[i].firstChild.src;
			src = src.substring(0, src.lastIndexOf('_')) + '_ovr.jpg';
			//test += src  + '\n';
			imgover = new Image();
			imgover.src = src;
		}
	}
	//alert(test);
}