function topbarLoad(y) {
   MM_preloadImages('/images/pnb_partners_on.gif','partners');
   MM_preloadImages('/images/pnb_home_on.gif','home');
   MM_preloadImages('/images/pnb_partners_on.gif','partners'); 
   MM_preloadImages('/images/pnb_search_f4f_portal_on.gif','search');
   MM_preloadImages('/images/pnb_trade_online_on.gif','trade'); 
   MM_preloadImages('/images/pnb_logo_on_top.gif','logotop');

   MM_preloadImages('../images/br_home.gif','hp');
   MM_preloadImages('../images/br_who.gif','who'); 
   MM_preloadImages('../images/br_what.gif','what');
   MM_preloadImages('../images/br_how.gif','how'); 
   MM_preloadImages('../images/br_where.gif','where');
}   


function MM_preloadImages() { //v2.0
  if (document.images) {
    var imgFiles = MM_preloadImages.arguments;
    if (document.preloadArray==null) document.preloadArray = new Array();
    var i = document.preloadArray.length;
    with (document) for (var j=0; j<imgFiles.length; j++) if (imgFiles[j].charAt(0)!="#"){
      preloadArray[i] = new Image;
      preloadArray[i++].src = imgFiles[j];
  } }
}

function MM_swapImgRestore() { //v2.0
  if (document.MM_swapImgData != null)
    for (var i=0; i<(document.MM_swapImgData.length-1); i+=2)
      document.MM_swapImgData[i].src = document.MM_swapImgData[i+1];
}

function MM_swapImage() { //v2.0
  var i,j=0,objStr,obj,swapArray=new Array,oldArray=document.MM_swapImgData;
  for (i=0; i < (MM_swapImage.arguments.length-2); i+=3) {
    objStr = MM_swapImage.arguments[(navigator.appName == 'Netscape')?i:i+1];
    if ((objStr.indexOf('document.layers[')==0 && document.layers==null) ||
        (objStr.indexOf('document.all[')   ==0 && document.all   ==null))
      objStr = 'document'+objStr.substring(objStr.lastIndexOf('.'),objStr.length);
    obj = eval(objStr);
    if (obj != null) {
      swapArray[j++] = obj;
      swapArray[j++] = (oldArray==null || oldArray[j-1]!=obj)?obj.src:oldArray[j];
      obj.src = MM_swapImage.arguments[i+2];
  } }
  document.MM_swapImgData = swapArray; //used for restore
}