//addLoadEvent - ajoute une fonction au chargement de la page
function addLoadEvent(func) { 
	var oldonload = window.onload; 
	if (typeof window.onload != "function") { 
		window.onload = func; 
	}
	else{ 
		window.onload = function() { 
			if (oldonload) oldonload(); 
			func(); 
		} 
	} 
}