// Simple RollOver
function smartRollover() {
	if (document.getElementsByTagName) {
		var images = document.getElementsByTagName('img');
		for (var i = 0; i < images.length; i++) {
			if (images[i].getAttribute('src').match('_off.')) {
				images[i].onmouseover = function() {
					this.setAttribute('src', this.getAttribute('src').replace('_off.', '_on.'));
				}
				images[i].onmouseout = function() {
					this.setAttribute('src', this.getAttribute('src').replace('_on.', '_off.'));
				}
			}
		}
	}
}
//
if(window.addEventListener) {
	window.addEventListener('load', smartRollover, false);
} else if (window.attachEvent) {
	window.attachEvent('onload', smartRollover);
}