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);

 
function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}


  var NS = (navigator.appName=="Netscape");
  var oldNS = NS && (navigator.appVersion.substring(0,3) < 5.0);

  function CenterLayers() {
    mainLayerWidth = 800;
    if (NS) {newPos = (window.innerWidth>mainLayerWidth) ? (window.innerWidth - mainLayerWidth)/2 : 0;}

    else {newPos = (document.body.clientWidth>mainLayerWidth) ? (document.body.clientWidth - mainLayerWidth)/2 : 0;}  

    if (oldNS) {document.MainLayer.left = newPos;}

   else {document.getElementById("MainLayer").style.left = newPos; }

    mainLayerHeight = 420;

    if (NS) {newPos = (window.innerHeight>mainLayerHeight) ? (window.innerHeight - mainLayerHeight)/2 : 0;}

    else {newPos = (document.body.clientHeight>mainLayerHeight) ? (document.body.clientHeight - mainLayerHeight)/2 : 0;}

    if (oldNS) {document.MainLayer.top = newPos;}
    else {document.getElementById("MainLayer").style.top = newPos;}
}