if (document.images) {

 homeon = new Image();
 homeon.src = "/images/menu_home_on.gif";

 homeoff = new Image();
 homeoff.src = "/images/menu_home_off.gif";

 request_quote_informationon = new Image();
 request_quote_informationon.src = "/images/menu_request_quote_information_on.gif";

 request_quote_informationoff = new Image();
 request_quote_informationoff.src = "/images/menu_request_quote_information_off.gif";

 about_uson = new Image();
 about_uson.src = "/images/menu_about_us_on.gif";

 about_usoff = new Image();
 about_usoff.src = "/images/menu_about_us_off.gif";

 sales_rep_locatoron = new Image();
 sales_rep_locatoron.src = "/images/menu_sales_rep_locator_on.gif";

 sales_rep_locatoroff = new Image();
 sales_rep_locatoroff.src = "/images/menu_sales_rep_locator_off.gif";

 contact_uson = new Image();
 contact_uson.src = "/images/menu_contact_us_on.gif";

 contact_usoff = new Image();
 contact_usoff.src = "/images/menu_contact_us_off.gif";

 barricadeson = new Image();
 barricadeson.src = "/images/menu_barricades_on.gif";

 barricadesoff = new Image();
 barricadesoff.src = "/images/menu_barricades_off.gif";

 channelizerson = new Image();
 channelizerson.src = "/images/menu_channelizers_on.gif";

 channelizersoff = new Image();
 channelizersoff.src = "/images/menu_channelizers_off.gif";

 curb_systemson = new Image();
 curb_systemson.src = "/images/menu_curb_systems_on.gif";

 curb_systemsoff = new Image();
 curb_systemsoff.src = "/images/menu_curb_systems_off.gif";

 delineatorson = new Image();
 delineatorson.src = "/images/menu_delineators_on.gif";

 delineatorsoff = new Image();
 delineatorsoff.src = "/images/menu_delineators_off.gif";

 markerson = new Image();
 markerson.src = "/images/menu_markers_on.gif";

 markersoff = new Image();
 markersoff.src = "/images/menu_markers_off.gif";

 detectable_warning_systemson = new Image();
 detectable_warning_systemson.src = "/images/menu_detectable_warning_systems_on.gif";

 detectable_warning_systemsoff = new Image();
 detectable_warning_systemsoff.src = "/images/menu_detectable_warning_systems_off.gif";

 }