//----------- Image Load Function -----------

function PreloadImage(name) {
  var img;
  img = new Image();
  img.src= name;
  return img;
}

//----------- Image Rollover Functions -----------

function getSrc(imgName) {
	return eval(imgName + '.src');
}

function rollOver(imgName, imgSrc, imgWhere){
  if(document.images) {
    if(imgWhere && n4) {
      document.layers[imgWhere].document.images[imgName].src = getSrc(imgSrc);
    } else {
      document.images[imgName].src = getSrc(imgSrc);      
    }
  }
}