simplePreload( 'images/icetop.gif', 'images/mastbg.jpg', 'images/arrow.gif', 'images/menubg.jpg', 'images/activities_over.jpg', 'images/funding_over.jpg', 'images/home_over.jpg', 'images/investigators_over.jpg', 'images/members_over.jpg', 'images/research_over.jpg' ); 

function simplePreload() { 
  var args = simplePreload.arguments;
  document.imageArray = new Array(args.length);
  for(var i=0; i<args.length; i++) {
    document.imageArray[i] = new Image;
    document.imageArray[i].src = args[i];
  }
}