if (document.images) {
        		
        img1on = new Image();
        img1on.src = "/images/nav_home_on.gif";
        img1off = new Image();
        img1off.src = "/images/nav_home_off.gif";

        img2on = new Image();
        img2on.src = "/images/nav_svcs_on.gif";
        img2off = new Image();
        img2off.src = "/images/nav_svcs_off.gif";

        img3on = new Image();
        img3on.src = "/images/nav_resources_on.gif";
        img3off = new Image();
        img3off.src = "/images/nav_resources_off.gif";

        img4on = new Image();
        img4on.src = "/images/nav_about_on.gif";
        img4off = new Image();
        img4off.src = "/images/nav_about_off.gif";

        img5on = new Image();
        img5on.src = "/images/nav_contact_on.gif";
        img5off = new Image();
        img5off.src = "/images/nav_contact_off.gif";
				
        img6on = new Image();
        img6on.src = "/images/snav_svcs_ddil_on.gif";
        img6off = new Image();
        img6off.src = "/images/snav_svcs_ddil_off.gif";

        img7on = new Image();
        img7on.src = "/images/snav_svcs_comp_on.gif";
        img7off = new Image();
        img7off.src = "/images/snav_svcs_comp_off.gif";

        img8on = new Image();
        img8on.src = "/images/snav_svcs_train_on.gif";
        img8off = new Image();
        img8off.src = "/images/snav_svcs_train_off.gif";

        img9on = new Image();
        img9on.src = "/images/snav_svcs_mgmt_on.gif";
        img9off = new Image();
        img9off.src = "/images/snav_svcs_mgmt_off.gif";

        img10on = new Image();
        img10on.src = "/images/snav_svcs_gas_on.gif";
        img10off = new Image();
        img10off.src = "/images/snav_svcs_gas_off.gif";
				
        img11on = new Image();
        img11on.src = "/images/snav_about_values_on.gif";
        img11off = new Image();
        img11off.src = "/images/snav_about_values_off.gif";
				
        img12on = new Image();
        img12on.src = "/images/snav_about_prin_on.gif";
        img12off = new Image();
        img12off.src = "/images/snav_about_prin_off.gif";
				
        img13on = new Image();
        img13on.src = "/images/snav_about_client_on.gif";
        img13off = new Image();
        img13off.src = "/images/snav_about_client_off.gif";
				
        img14on = new Image();
        img14on.src = "/images/snav_res_wp_on.gif";
        img14off = new Image();
        img14off.src = "/images/snav_res_wp_off.gif";
				
        img15on = new Image();
        img15on.src = "/images/snav_res_links_on.gif";
        img15off = new Image();
        img15off.src = "/images/snav_res_links_off.gif";
				
        img16on = new Image();
        img16on.src = "/images/snav_res_news_on.gif";
        img16off = new Image();
        img16off.src = "/images/snav_res_news_off.gif";
		
		
			                
                                                       
}
function imgSwap (imgName,imgFile)  { 
        if (document.images)  {
                document.images[imgName].src = eval (imgFile + ".src");
        }
}