if (document.images) {

    why_cbc_btn_up       = new Image();
    why_cbc_btn_up.src   = "../images/why_cbc_btn.jpg" ;
    why_cbc_btn_down     = new Image() ;
    why_cbc_btn_down.src = "../images/why_cbc_btn_rollover.jpg" ;

    it_services_btn_up       = new Image();
    it_services_btn_up.src   = "../images/it_services_btn.jpg" ;
    it_services_btn_down     = new Image() ;
    it_services_btn_down.src = "../images/it_services_btn_rollover.jpg" ;
    
    it_compliance_btn_up       = new Image();
    it_compliance_btn_up.src   = "../images/it_compliance_btn.jpg" ;
    it_compliance_btn_down     = new Image() ;
    it_compliance_btn_down.src = "../images/it_compliance_btn_rollover.jpg" ;
    
    it_policy_btn_up       = new Image();
    it_policy_btn_up.src   = "../images/it_policy_btn.jpg" ;
    it_policy_btn_down     = new Image() ;
    it_policy_btn_down.src = "../images/it_policy_btn_rollover.jpg" ;
    
    it_audit_btn_up       = new Image();
    it_audit_btn_up.src   = "../images/it_audit_btn.jpg" ;
    it_audit_btn_down     = new Image() ;
    it_audit_btn_down.src = "../images/it_audit_btn_rollover.jpg" ;
    
    ebranches_btn_up       = new Image();
    ebranches_btn_up.src   = "../images/ebranches_btn.jpg" ;
    ebranches_btn_down     = new Image() ;
    ebranches_btn_down.src = "../images/ebranches_btn_rollover.jpg" ;
    
    testimonials_btn_up       = new Image();
    testimonials_btn_up.src   = "../images/testimonials_btn.jpg" ;
    testimonials_btn_down     = new Image() ;
    testimonials_btn_down.src = "../images/testimonials_btn_rollover.jpg" ;
    
    contact_us_btn_up       = new Image();
    contact_us_btn_up.src   = "../images/contact_us_btn.jpg" ;
    contact_us_btn_down     = new Image() ;
    contact_us_btn_down.src = "../images/contact_us_btn_rollover.jpg" ;
    
    special_alerts_btn_up       = new Image();
    special_alerts_btn_up.src   = "../images/special_alerts_btn.png" ;
    special_alerts_btn_down     = new Image() ;
    special_alerts_btn_down.src = "../images/special_alerts_btn_rollover.png" ;
    
    home_ad_1_up       = new Image();
    home_ad_1_up.src   = "../images/home_ad_1.png" ;
    home_ad_1_down     = new Image() ;
    home_ad_1_down.src = "../images/home_ad_1_rollover.png" ;
    
    home_ad_2_up       = new Image();
    home_ad_2_up.src   = "../images/home_ad_2.png" ;
    home_ad_2_down     = new Image() ;
    home_ad_2_down.src = "../images/home_ad_2_rollover.png" ;
    
    home_ad_3_up       = new Image();
    home_ad_3_up.src   = "../images/home_ad_3.png" ;
    home_ad_3_down     = new Image() ;
    home_ad_3_down.src = "../images/home_ad_3_rollover.png" ;
    
    side_page_special_alerts_up       = new Image();
    side_page_special_alerts_up.src   = "../images/side_page_special_alerts.jpg" ;
    side_page_special_alerts_down     = new Image() ;
    side_page_special_alerts_down.src = "../images/side_page_special_alerts_rollover.jpg" ;
    
    side_page_ad_1_up       = new Image();
    side_page_ad_1_up.src   = "../images/side_page_ad_1.jpg" ;
    side_page_ad_1_down     = new Image() ;
    side_page_ad_1_down.src = "../images/side_page_ad_1_rollover.jpg" ;
    
    side_page_ad_2_up       = new Image();
    side_page_ad_2_up.src   = "../images/side_page_ad_2.jpg" ;
    side_page_ad_2_down     = new Image() ;
    side_page_ad_2_down.src = "../images/side_page_ad_2_rollover.jpg" ;
    
    side_page_ad_3_up       = new Image();
    side_page_ad_3_up.src   = "../images/side_page_ad_3.jpg" ;
    side_page_ad_3_down     = new Image() ;
    side_page_ad_3_down.src = "../images/side_page_ad_3_rollover.jpg" ;
    
}
function buttondown( buttonname )
{
    if (document.images) {
      document[ buttonname ].src = eval( buttonname + "_down.src" );
    }
}
function buttonup ( buttonname )
{
    if (document.images) {
      document[ buttonname ].src = eval( buttonname + "_up.src" );
    }
}