function addLoadedListener( functor ) {
	if ( window.addEventListener )
	   window.addEventListener( "load", functor, false );
	else if ( window.attachEvent )
		window.attachEvent( "onload", functor );
}

/**
 *  Won't work in IE because the DOM widgets aren't JS widgets...
 *  Object.prototype.addChangedListener = function (listener) {
 */
function addChangedListener( object, listener ) {

	if (object.addEventListener) {
		object.addEventListener("change", listener, false);
	}
	else if (object.attachEvent ) {
		object.attachEvent("onchange", listener);
	}
}