if (document.images) {

home_on = new Image(); 
home_on.src = "/images/menu/home_on.gif"; 
home_off = new Image(); 
home_off.src = "/images/menu/home_off.gif"; 

contact_on = new Image(); 
contact_on.src = "/images/menu/contact_on.gif"; 
contact_off = new Image(); 
contact_off.src = "/images/menu/contact_off.gif"; 

insurance_on = new Image(); 
insurance_on.src = "/images/menu/insurance_on.gif"; 
insurance_off = new Image(); 
insurance_off.src = "/images/menu/insurance_off.gif"; 

patientresources_on = new Image(); 
patientresources_on.src = "/images/menu/patientresources_on.gif"; 
patientresources_off = new Image(); 
patientresources_off.src = "/images/menu/patientresources_off.gif"; 

ourproviders_on = new Image(); 
ourproviders_on.src = "/images/menu/ourproviders_on.gif"; 
ourproviders_off = new Image(); 
ourproviders_off.src = "/images/menu/ourproviders_off.gif"; 

services_on = new Image(); 
services_on.src = "/images/menu/services_on.gif"; services_off = new Image(); 
services_off.src = "/images/menu/services_off.gif"; 

} 
else { 

home_on = ""; 
home_off = ""; 
document.home_on = ""; 
document.home_off = ""; 

contact_on = ""; 
contact_off = ""; 
document.contact_on = ""; 
document.contact_off = ""; 

patientresources_on = ""; 
patientresources_off = ""; 
document.patientresources_on = ""; 
document.patientresources_off = ""; 

insurance_on = ""; 
insurance_off = ""; 
document.insurance_on = ""; 
document.insurance_off = ""; 

ourproviders_on = ""; 
ourproviders_off = ""; 
document.ourproviders_on = ""; 
document.ourproviders_off = ""; 

services_on = ""; 
services_off = ""; 
document.services_on = ""; 
document.services_off = ""; 

}