function MM_swapImgRestore() { //v3.0
      var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
    }

    function MM_preloadImages() { //v3.0
      var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
        var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
        if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
    }

    function MM_findObj(n, d) { //v4.01
      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 && d.getElementById) x=d.getElementById(n); return x;
    }

    function MM_swapImage() { //v3.0
      var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
       if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
    }

     isIE = false;
     navVer = navigator.appVersion;
     ver = parseFloat(navVer);
     IEPos = navVer.indexOf('MSIE');
     if (IEPos !=-1) {
       isIE = true;
       ver = parseFloat(navVer.substring(IEPos+5,navVer.indexOf(';',IEPos)));
     }
     
     isIE5up = (isIE && ver >= 5);
     
     function setNSHomepage(URL) {  // this HAS to be signed if it is to run on the web
       var Text = '';
       Text += 'Due to Netscapes security handling, making this page your homepage, will show you a dialog with a warning.\n';
       Text += 'If you do not wish to grant this site the access to your browser settings,';
       Text += ' you can manually copy the current location and paste it in the location field in Edit / Preferences / Navigator.';
       if (confirm(Text)) {
      netscape.security.PrivilegeManager.enablePrivilege("UniversalPreferencesWrite");
      navigator.preference('browser.startup.homepage',URL);
       }
     }