if (document.images)
    {
      preload_image_object = new Image();
      // set image url
      image_url = new Array();
      image_url[0] = "http://www.patranslations.com/graphics/v30-icon-about-1.gif";
      image_url[1] = "http://www.patranslations.com/graphics/v30-icon-about-2.gif";
      image_url[2] = "http://www.patranslations.com/graphics/v30-icon-about-3.gif";
      image_url[3] = "http://www.patranslations.com/graphics/v30-icon-about-4.gif";
	  image_url[4] = "http://www.patranslations.com/graphics/v30-icon-services-1.gif";
      image_url[5] = "http://www.patranslations.com/graphics/v30-icon-services-2.gif";
      image_url[6] = "http://www.patranslations.com/graphics/v30-icon-services-3.gif";
      image_url[7] = "http://www.patranslations.com/graphics/v30-icon-services-4.gif";
	  image_url[8] = "http://www.patranslations.com/graphics/v30-icon-procedure-1.gif";
      image_url[9] = "http://www.patranslations.com/graphics/v30-icon-procedure-2.gif";
      image_url[10] = "http://www.patranslations.com/graphics/v30-icon-procedure-3.gif";
      image_url[11] = "http://www.patranslations.com/graphics/v30-icon-procedure-4.gif";
	  image_url[12] = "http://www.patranslations.com/graphics/v30-icon-quote-1.gif";
      image_url[13] = "http://www.patranslations.com/graphics/v30-icon-quote-2.gif";
      image_url[14] = "http://www.patranslations.com/graphics/v30-icon-quote-3.gif";
      image_url[15] = "http://www.patranslations.com/graphics/v30-icon-quote-4.gif";
	  image_url[16] = "http://www.patranslations.com/graphics/v30-icon-network-1.gif";
      image_url[17] = "http://www.patranslations.com/graphics/v30-icon-network-2.gif";
      image_url[18] = "http://www.patranslations.com/graphics/v30-icon-network-3.gif";
      image_url[19] = "http://www.patranslations.com/graphics/v30-icon-network-4.gif";
	  image_url[20] = "http://www.patranslations.com/graphics/v30-icon-clients-1.gif";
      image_url[21] = "http://www.patranslations.com/graphics/v30-icon-clients-2.gif";
      image_url[22] = "http://www.patranslations.com/graphics/v30-icon-clients-3.gif";
      image_url[23] = "http://www.patranslations.com/graphics/v30-icon-clients-4.gif";
	  image_url[24] = "http://www.patranslations.com/graphics/v30-icon-contact-1.gif";
      image_url[25] = "http://www.patranslations.com/graphics/v30-icon-contact-2.gif";
      image_url[26] = "http://www.patranslations.com/graphics/v30-icon-contact-3.gif";
      image_url[27] = "http://www.patranslations.com/graphics/v30-icon-contact-4.gif";
      image_url[28] = "http://www.patranslations.com/graphics/v30-icon-back.gif";
	  image_url[29] = "http://www.patranslations.com/graphics/v30-icon-back-m.gif";
      image_url[30] = "http://www.patranslations.com/graphics/v30-siderail.gif";
      image_url[31] = "http://www.patranslations.com/graphics/v30-siderail-m.gif";
	  image_url[32] = "http://www.patranslations.com/graphics/v30-icon-index-general-2.gif";
	  image_url[33] = "http://www.patranslations.com/graphics/v30-icon-index-medical-2.gif";
       var i = 0;
       for(i=0; i<=3; i++) 
         preload_image_object.src = image_url[i];
    }