function swapImage(slotNumber){
  if (document.images){

			document.images['slot_big'].src = src_big[index_small[slotNumber-1]];
      document.images['slot_' + slotNumber].src = src_small[index_big];
      
      var temp = index_big;
      index_big = index_small[slotNumber-1];
      index_small[slotNumber-1] = temp;
  
  }
}

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];

  }

}