<!-- 

function CheckFormFields() 
{ 
  var i , p , q , nm , test , num , min , max , errors = '' , args = CheckFormFields.arguments ; 
  for ( i = 0 ; i < ( args.length - 2 ) ; i += 3 ) 
  { 
    test = args[i+2] ; 
    val = MM_findObj(args[i]) ; 
    if (val) 
    { 
      nm = val.name ; 
      if ( ( val = val.value ) != "" ) 
      {
        if ( test.indexOf( 'isEmail' ) != -1 ) 
        { 
          p = val.indexOf( '@' ) ; 
          if ( p < 1 || p == ( val.length - 1 ) ) 
            errors += '- ' + nm + ' Bitte eine gültige E-Mail-Adresse sein!\n' ; 
        } 
        else 
        if ( test != 'R' ) 
        {
          if ( isNaN( val ) ) 
            errors = '- Bitte für Anzahl Billette eine Zahl eingeben!\n' ; 
          if ( test.indexOf( 'inRange' ) != -1 ) 
          { 
            p = test.indexOf( ':' ) ; 
            min = test.substring( 8 , p ) ; 
            max = test.substring( p + 1 ) ; 
            if ( val < min || max < val ) 
              errors += '- ' + nm + ' must contain a number between '+min+' and '+max+'.\n' ; 
          } 
        } 
      } 
      else 
      if ( test.charAt( 0 ) == 'R' ) 
        errors += '- ' + nm + ' darf nicht leer sein!\n' ; 
    }
  } 
  if ( errors ) 
    alert( 'Folgende Fehler sind aufgetreten:\n' + errors ) ; 
  document.MM_returnValue = ( errors == '' ) ; 
}

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_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_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];}
}
//-->