// rollovers
  
  if( document.images )
  {    
      // cache all images

      myspace     = new Image();
      myspace_ro  = new Image();


      myspace.src     = "/resources/images/myspace.jpg";
      myspace_ro.src  = "/resources/images/myspace_ro.jpg";
  }



  // *************************************************************************************************************
  // use of eval() saves us coding

  function buttonOn( imageName ) { if( document.images ) document[ imageName ].src = eval( imageName + "_ro.src" ); }
  function buttonOff( imageName ) { if( document.images ) document[ imageName ].src = eval( imageName + ".src" ); }