// JavaScript Document
(function(onLoad) {
 try {
 window.addEventListener('load', onLoad, false);
 } catch (e) {
 window.attachEvent('onload', onLoad);
 }
})(function() {
 var over = function() { this.src = this.src.replace('_off.', '_on.'); };
 var out = function() { this.src = this.src.replace('_on.', '_off.'); };
 var img = document.getElementsByTagName('img');
 for (var i = 0, l = img.length; i < l; i++) {
 if (!img[i].src.match(/_off\./)) continue;
 img[i].onmouseover = over;
 img[i].onmouseout = out;
 }
});