var goodBrowser = 0;
  if(document.images){
   goodBrowser = 1;
   var preLoad = new
 
  Array('images/nav_valueofprint_over.gif','images/nav_printinaction_over.gif','images/nav_events_over.gif','images/nav_enlistnow_over.gif','images/nav_findaprinter_over.gif');
   for(var i = 0; i < preLoad.length;i++){
     var k = new Image();
     k.src = preLoad[i];
    }
  }
 
  function flipper(){
   if(goodBrowser == 1){
     for(var i = 0; i < flipper.arguments.length; i += 2){
     document.images[flipper.arguments[i]].src =
   flipper.arguments[i+1];
      }
    }
  }