var HomeOff             = new Image();
   var HomeOn              = new Image();

       HomeOff.src         = "../z-images/bttn_home.gif"; 
       HomeOn.src          = "../z-images/bttn_home_on.gif"; 

   var ProductsOff         = new Image();
   var ProductsOn          = new Image();

       ProductsOff.src     = "../z-images/bttn_prod.gif"; 
       ProductsOn.src      = "../z-images/bttn_prod_on.gif"; 

   var ApplicationsOff     = new Image();
   var ApplicationsOn      = new Image();

       ApplicationsOff.src = "../z-images/bttn_app.gif"; 
       ApplicationsOn.src  = "../z-images/bttn_app_on.gif"; 

   var MarketsOff          = new Image();
   var MarketsOn           = new Image();

       MarketsOff.src      = "../z-images/bttn_markets.gif"; 
       MarketsOn.src       = "../z-images/bttn_markets_on.gif"; 

   var ServicesOff         = new Image();
   var ServicesOn          = new Image();

       ServicesOff.src     = "../z-images/bttn_services.gif"; 
       ServicesOn.src      = "../z-images/bttn_services_on.gif"; 

   var CompanyOff          = new Image();
   var CompanyOn           = new Image();

       CompanyOff.src      = "../z-images/bttn_co.gif"; 
       CompanyOn.src       = "../z-images/bttn_co_on.gif"; 

   var IntranetOff         = new Image();
   var IntranetOn          = new Image();

       IntranetOff.src     = "../z-images/bttn_intranet.gif"; 
       IntranetOn.src      = "../z-images/bttn_intranet_on.gif";