var clientPC = navigator.userAgent.toLowerCase(); // Get client info
  var clientVer = parseInt(navigator.appVersion); // Get browser version
  var is_ie = ((clientPC.indexOf("msie") != -1) && (clientPC.indexOf("opera") == -1));
  //var is_nav  = ((clientPC.indexOf('mozilla')!=-1) && (clientPC.indexOf('spoofer')==-1)
  //           && (clientPC.indexOf('compatible') == -1) && (clientPC.indexOf('opera')==-1)
  //           && (clientPC.indexOf('webtv')==-1) && (clientPC.indexOf('hotjava')==-1));
  var is_win   = ((clientPC.indexOf("win")!=-1) || (clientPC.indexOf("16bit") != -1));
  //var is_mac    = (clientPC.indexOf("mac")!=-1);
  var is_ns   = ((clientPC.indexOf("netscape")!=-1));
 
  
  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_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_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];}
  }
  
  function format(name, style) {
    var rep1, rep2, neuertext, neuset;
    neuset = 0;
    if(style==1) { rep1 = "<b>"; rep2 = "</b>"; }
    if(style==2) { rep1 = "<i>"; rep2 = "</i>"; }
    if(style==3) { rep1 = "<u>"; rep2 = "</u>"; }
    if(style==4) { rep1 = "<s>"; rep2 = "</s>"; }

    if ((clientVer >= 4) && is_ie && is_win) {
      r = document.selection.createRange();        //#selektion ermitteln
      if(r.text != "") {                           //#ist ueberhaupt etwas selektiert worden?
        len_selection = new String(r.text).length; //#laenge des markierten strings
        tr = document.body.createTextRange();      //#gesamttext des dokuments
        gesamt = new String(tr.text).length;       //#laenge des gesamttextes
        r.moveStart("textedit", -1);               //#zeiger an den gesamttext-anfang setzen
        abspos2 = new String(r.text).length;       //#absolute position 2 des markierten strings
        abspos1 = abspos2 - len_selection;         //#absolute position 1 des markierten strings

        elname = eval('document.reiseform.' + name);   //#name uebersetzen
        tr.moveToElementText(elname);              //#zeiger auf das element setzen
        elmtext = new String(tr.text);             //#text innerhalb des elements
        len_element = new String(tr.text).length;  //#laenge des elements
        tr.moveStart("textedit", -1);              //#zeiger an den gesamttext-anfang setzen
        absposelm2 = new String(tr.text).length;   //#absolute position 2 des elements
        absposelm1 = absposelm2 - len_element;     //#absolute position 1 des elements

        if((absposelm1 <= abspos1) && (absposelm2 >= abspos2)) {
          relpos1 = abspos1 - absposelm1;
          relpos2 = relpos1 + len_selection;
          neuertext = elmtext.substring(0, relpos1) + rep1 + elmtext.substring(relpos1, relpos2) + rep2 + elmtext.substring(relpos2);
          neuset = 1;
        }
      }
    }
    
    if(neuset==0) {
      neuertext = eval('document.reiseform.' + name + '.value');
      neuertext = neuertext + rep1 + rep2;
    } 

    var hilf = new String();
    var regi = String.fromCharCode(222) + /\n/ + String.fromCharCode(222);
    for(i=0;i<neuertext.length;i++) {
      booly = true;
      if(neuertext.charCodeAt(i)==13) { hilf = hilf + ""; booly = false; }
      if(neuertext.charCodeAt(i)==10) { hilf = hilf + regi; booly = false; }
      if(booly==true) { hilf = hilf + neuertext.substr(i, 1); }
    }

    var regi1 = String.fromCharCode(222) + "/";
    while(hilf.indexOf(regi1)>=0) { hilf = hilf.replace(regi1, ""); }
    var regi2 = "/" + String.fromCharCode(222);
    while(hilf.indexOf(regi2)>=0) { hilf = hilf.replace(regi2, ""); }

    eval('document.reiseform.' + name + '.value = "' + hilf + '";');
    eval('document.reiseform.' + name + '.blur();');
  }