if (document.images)
{
  home0=new Image();home0.src="/images/masthead/mh_home_0.gif";
  home1=new Image();home1.src="/images/masthead/mh_home_1.gif";
  res0=new Image();res0.src="/images/masthead/mh_reservations_0.gif";
  res1=new Image();res1.src="/images/masthead/mh_reservations_1.gif";
  sched0=new Image();sched0.src="/images/masthead/mh_schedules_0.gif";
  sched1=new Image();sched1.src="/images/masthead/mh_schedules_1.gif";
  click0=new Image();click0.src="/images/masthead/mh_click_n_save_0.gif";
  click1=new Image();click1.src="/images/masthead/mh_click_n_save_1.gif";
  trav0=new Image();trav0.src="/images/masthead/mh_travel_center_0.gif";
  trav1=new Image();trav1.src="/images/masthead/mh_travel_center_1.gif";
  rap0=new Image();rap0.src="/images/masthead/mh_rapid_rewards_0.gif";
  rap1=new Image();rap1.src="/images/masthead/mh_rapid_rewards_1.gif";            
  about0=new Image();about0.src="/images/masthead/mh_about_swa_0.gif";
  about1=new Image();about1.src="/images/masthead/mh_about_swa_1.gif";
  featon0=new Image();featon0.src="/images/1x1.gif";
  featon1=new Image();featon1.src="/images/featured/blue_back.gif"; 
}
function imgOn(imgName) {
   if (document.images) {
      document[imgName].src=eval(imgName+"1.src");
   }
}
function imgOff(imgName) {
   if (document.images) {
      document[imgName].src=eval(imgName+"0.src");
   }
}
function featOn(imgName) {
 if (document.images) {
  document[imgName+"1"].src=featon1.src;document[imgName+"2"].src=featon1.src;document[imgName+"3"].src=featon1.src;document[imgName+"4"].src=featon1.src;      
 }
}
function featOff(imgName) {
 if (document.images) {
  document[imgName+"1"].src=featon0.src;document[imgName+"2"].src=featon0.src;document[imgName+"3"].src=featon0.src;document[imgName+"4"].src=featon0.src;  
 }
}