black = new Image();
black.src = "gif/black.gif";
blackover = new Image();
blackover.src = "gif/blackover.gif";
dark = new Image();
dark.src = "gif/dark.gif";
darkover = new Image();
darkover.src = "gif/darkover.gif";
light = new Image();
light.src = "gif/light.gif";
lightover = new Image();
lightover.src = "gif/lightover.gif";



function over(name)   {document[name].src = eval(name + "over.src");}
function out(name)  {document[name].src = eval(name + ".src");}