function preLoadImages (images)
{
	// Field separator is ,
	var imageList = images.split(',');
	var imageArray = new Array(imageList.length);

	// Pre load each image
	for (i = 0; i < imageArray.length; i++)
	{
	    //alert("Loading " + imageList[i]);
	    imageArray[i] = new Image();
		 imageArray[i].src = imageList[i];
	}
	return imageArray;
}

function setpic(img_name,img_src)
{
    document[img_name].src=img_src;
}