//Define the new images
  Contact_off	= new Image();
  Contact_on	= new Image();
 //Load the images
  Contact_off.src	= "graphics/ContactButton_off.png";
  Contact_on.src	= "graphics/ContactButton_on.png";

 function contactLight(imgLit) {
	document.getElementById('Contact').src = eval(imgLit + ".src")
 }