// JavaScript Document

if (document.images)
    {
      preload_image_object = new Image();
      // set image url
      image_url = new Array();
      image_url[0] = "images_work/bg_1.jpg";
      image_url[1] = "images_work/bg_2.jpg";
      image_url[2] = "images_work/bg_3.jpg";
      image_url[3] = "images_work/bg_4.jpg";
	  image_url[4] = "images_work/bg_5.jpg";


       var i = 0;
       for(i=0; i<=3; i++) 
         preload_image_object.src = image_url[i];
    }