if (document.images) 
{
   img1 = new Image();
   img2 = new Image();
   img3 = new Image();
   img4 = new Image();
   img5 = new Image();
   img6 = new Image();
   img7 = new Image();
   img8 = new Image();
   img9 = new Image();
   img10 = new Image();
   img11 = new Image();
   img1.src = "/css_menu/images/aboutus_on.gif";
   img2.src = "/css_menu/images/application_on.gif"
   img3.src = "/css_menu/images/account_info_on.gif"
   img4.src = "/css_menu/images/Add_Opportunity_on.gif"
   img5.src = "/css_menu/images/opportunities_on.gif"
   img6.src = "/css_menu/images/forms_on.gif"
   img7.src = "/css_menu/images/forms_off.gif"
   img8.src = "/css_menu/images/account_info_off.gif"
   img9.src = "/css_menu/images/account_info_on.gif"
   img10.src = "/css_menu/images/person_search_on.gif"
   img11.src = "/css_menu/images/aperson_search_off.gif"
}