application.js
var Application = {
init: function(){
if (Browser.Engine.trident) Application.fixIE();
if ($('form-entry')) Application.initFormEntry();
if ($$('a.hover-me').length > 0) Application.initHoverEffects();
},
start: function(){
if ($$('a.resize-me')) Application.resizeImages();
},
fixIE: function(){
...
},
...
}
window.addEvent('domready', Application.init);
window.addEvent('load', Application.start);