on=new Image();
on.src = "home/on.gif";

off=new Image();
off.src = "home/off.gif";

red=new Image();
red.src = "home/red.gif";

blue=new Image();
blue.src = "home/blue.gif";

green=new Image();
green.src = "home/green.gif";

function on_image(Name,img){
	document.getElementById(Name).src=eval(img).src
}

function off_image(Name,img){
	document.getElementById(Name).src=eval(img).src
}