if (document.images) {

 homeon = new Image();
 homeon.src = "/images/menu_home_on.gif";

 homeoff = new Image();
 homeoff.src = "/images/menu_home_off.gif";

 investingon = new Image();
 investingon.src = "/images/menu_investing_on.gif";

 investingoff = new Image();
 investingoff.src = "/images/menu_investing_off.gif";

 strategyon = new Image();
 strategyon.src = "/images/menu_strategy_on.gif";

 strategyoff = new Image();
 strategyoff.src = "/images/menu_strategy_off.gif";

 investorson = new Image();
 investorson.src = "/images/menu_investors_on.gif";

 investorsoff = new Image();
 investorsoff.src = "/images/menu_investors_off.gif";

 principalson = new Image();
 principalson.src = "/images/menu_principals_on.gif";

 principalsoff = new Image();
 principalsoff.src = "/images/menu_principals_off.gif";

 propertieson = new Image();
 propertieson.src = "/images/menu_properties_on.gif";

 propertiesoff = new Image();
 propertiesoff.src = "/images/menu_properties_off.gif";

 contacton = new Image();
 contacton.src = "/images/menu_contact_on.gif";

 contactoff = new Image();
 contactoff.src = "/images/menu_contact_off.gif";

 }