nav_contactus_contactinfoon = new Image(); 
nav_contactus_contactinfoon.src = "images/nav_contactus_contactinfo_on.gif"; 
nav_contactus_contactinfooff = new Image(); 
nav_contactus_contactinfooff.src = "images/nav_contactus_contactinfo_off.gif"; 

nav_contactus_appointmenton = new Image(); 
nav_contactus_appointmenton.src = "images/nav_contactus_appointment_on.gif"; 
nav_contactus_appointmentoff = new Image(); 
nav_contactus_appointmentoff.src = "images/nav_contactus_appointment_off.gif"; 

nav_contactus_orderformon = new Image(); 
nav_contactus_orderformon.src = "images/nav_contactus_orderform_on.gif"; 
nav_contactus_orderformoff = new Image(); 
nav_contactus_orderformoff.src = "images/nav_contactus_orderform_off.gif"; 

nav_contactus_employment_on = new Image(); 
nav_contactus_employment_on.src = "images/nav_contactus_employment_on.gif"; 
nav_contactus_employment_off = new Image(); 
nav_contactus_employment_off.src = "images/nav_contactus_employment_off.gif"; 

nav_contactus = new Image(); 
nav_contactus.src = "images/nav_contactus_contactinfo_on.gif"; 
nav_contactus = new Image(); 
nav_contactus.src = "images/nav_contactus_contactinfo_off.gif";