if(document.images) {
			pics = new Array();
			pics[01] = new Image();
			pics[01].src = "images/menu01_of.gif";
			pics[02] = new Image();
			pics[02].src = "images/menu01_on.gif";
			pics[03] = new Image();
			pics[03].src = "images/menu02_of.gif";
			pics[04] = new Image();
			pics[04].src = "images/menu02_on.gif";
			pics[05] = new Image();
			pics[05].src = "images/menu03_of.gif";
			pics[06] = new Image();
			pics[06].src = "images/menu03_on.gif";
			pics[07] = new Image();
			pics[07].src = "images/menu04_of.gif";
			pics[08] = new Image();
			pics[08].src = "images/menu04_on.gif";
		}
			function changer(from,to) {
			if(document.images) {
			document.images[from].src = pics[to].src;
			}
		}