function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);


if (document.images)
    {
      preload_image_object = new Image();
      // set image url
      image_url = new Array();
      image_url[0] = "images/new_win.gif";
      image_url[1] = "images/new_win2.gif";

       var i = 0;
       for(i=0; i<=1; i++) 
         preload_image_object.src = image_url[i];
}

function imageExchange(picture_name, picture_location) {
   document[picture_name].src = picture_location;
}