var webHelper = new Object();
webHelper.onLoadListeners = new Array();

webHelper.addOnLoadListener = function (onLoadListener) {
	this.onLoadListeners.push(onLoadListener);  	
};

webHelper.executeOnLoadListeners = function () {
  for(var i=0; i<this.onLoadListeners.length; i++) 
  	this.onLoadListeners[i]();
};

window.onload = function() {
	webHelper.executeOnLoadListeners();
};