//----------- 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, imgWhereParent){

  if(document.images) {
    if(n4) {
    	if (imgWhere && imgWhereParent) {
      		document.layers[0].layers[imgWhereParent].layers[imgWhere].document.images[imgName].src = getSrc(imgSrc);
		} else if (imgWhere) {
      		document.layers[0].layers[imgWhere].document.images[imgName].src = getSrc(imgSrc);
		}
    } else {
      document.images[imgName].src = getSrc(imgSrc);      
    }
  }
}