<!-- 
  if(document.images){
    
    searchOff =new Image();  searchOff.src= CONST_LOCATION + "images/nav/buttons/search/search_off.gif";
    searchOn =new Image();  searchOn.src= CONST_LOCATION + "images/nav/buttons/search/search_on.gif";

    search2Off =new Image();  search2Off.src= CONST_LOCATION + "images/nav/buttons/search/search_off.gif";
    search2On =new Image();  search2On.src= CONST_LOCATION + "images/nav/buttons/search/search_on.gif";    

    regPoliciesOff =new Image();  regPoliciesOff.src=CONST_LOCATION + "images/nav/buttons/coursebasket/reg_policies_off.gif";
    regPoliciesOn =new Image();  regPoliciesOn.src=CONST_LOCATION + "images/nav/buttons/coursebasket/reg_policies_over.gif";
 
}

//-->