function preloader() 

{


     // counter
     var i = 0;


     // create object
     imageObj = new Image();


     // set image list
     images = new Array();
     images[0]="../images/blue_top.jpg"
     images[1]="../images/blue_bottom.jpg"
     images[2]="../images/purple_top.jpg"
     images[3]="../images/purple_bottom.jpg"
     images[4]="../images/red_top.jpg"
     images[5]="../images/red_bottom.jpg"
     images[6]="../images/orange_top.jpg"
     images[7]="../images/orange_bottom.jpg"
     images[8]="../images/blue_top.jpg"
     images[9]="../images/blue_bottom.jpg"
     images[10]="../images/all.jpg"
     images[11]="../images/all_thumb.jpg"
     images[12]="../images/ballet.jpg"
     images[12]="../images/ballet_thumb.jpg"


     // start preloading
     for(i=0; i<=3; i++) 
     {
          imageObj.src=images[i];
     }



}