function docLoadEventHandler(func) {
	function addLoadEvent(func) { 
	  var oldonload = window.onload; 
	  if (typeof window.onload != 'function') { 
	    window.onload = func; 
	  } else { 
	    window.onload = function() { 
	      if (oldonload) { 
	        oldonload(); 
	      } 
	      func(); 
	    } 
	  } 
	} 
	
	if (window.addEventListener)
		window.addEventListener("load", func, false)
	else if (window.attachEvent)
		window.attachEvent("onload", func)
	else if (document.getElementById)
		addLoadEvent(func);
}