// create an array of the URLs of all images that are to 
// appear in the rollovers

var pics = new Array("images/1.jpg","images/2.jpg","images/3.jpg","images/4.jpg","images/5.jpg","images/6.jpg","images/7.jpg","images/8.jpg","images/9.jpg","images/10.jpg","images/11.jpg","images/12.jpg","images/13.jpg","images/14.jpg","images/15.jpg","images/16.jpg","images/17.jpg","images/18.jpg","images/19.jpg","images/20.jpg","images/21.jpg","images/22.jpg","images/23.jpg","images/24.jpg","images/25.jpg","images/26.jpg","images/27.jpg","images/28.jpg","images/29.jpg","images/30.jpg","images/31.jpg","images/32.jpg","images/33.jpg","images/34.jpg","images/35.jpg","images/36.jpg","images/37.jpg","images/38.jpg","images/39.jpg","images/40.jpg","images/41.jpg","images/42.jpg","images/43.jpg","images/44.jpg","images/45.jpg","images/46.jpg","images/47.jpg","images/48.jpg","images/49.jpg","images/50.jpg","images/50.jpg","images/50.jpg","images/1003.jpg","images/small4.jpg");

// create a new empty array

var preload = new Array();

// insert a new Image object into each empty element
// then assign each image URL to the Image objects  

for(var i = 0; i < pics.length; i++ )
{
  preload[ i ] = new Image();
  preload[ i ].src = pics[i];
}