if (document.images){
	val preload_image_object,image_url;
	preload_image_object = new Image();

      // set image url

      image_url = new Array();

      image_url[0] = "/imgs/hp_but2.gif";

      image_url[1] = "/imgs/epson_but2.gif";

      image_url[2] = "/imgs/canon_but2.gif";

      image_url[3] = "/imgs/samsung_but2.gif";

      image_url[4] = "/imgs/lexmark_but2.gif"

	  image_url[5] = "/imgs/toshiba_but2.gif";

	  image_url[6] = "/imgs/panasonic_but2.gif";

	  image_url[7] = "/imgs/konica-minolta_but2.gif";

	  image_url[8] = "/imgs/xerox_but2.gif";

       var i = 0;

       for(i=0; i<=9; i++) 

         preload_image_object.src = image_url[i];

    }