function preload() {
  var arg;
  if (arg = (arguments || preload.arguments))
    for(var img = new Array, i = 0; i < arg.length; i++) {
      img[i] = new Image;
      img[i].src = arg[i];
    }
}




<!--

  if (document.images)
   {
     pic1on= new Image(100,25);
     pic1on.src="images/navi/startnavi/dollar.gif";

     pic1off= new Image(100,25);
     pic1off.src="images/navi/startnavi/dollar_hover.gif";
   }

function lightup(imgName)
 {
   if (document.images)
    {
      imgOn=eval(imgName + "on.src");
      document[imgName].src= imgOn;
    }
 }

function turnoff(imgName)
 {
   if (document.images)
    {
      imgOff=eval(imgName + "off.src");
      document[imgName].src= imgOff;
    }
 }

//-->