// JavaScript Document
  var newImg = new Image();
  
  function refreshCaptcha(){
    key = Math.round( Math.random() * 32000 );
    newImg.src = "/home/captcha/" + key;
    this.setTimeout("changeCaptcha()", 1000);
  }
  
  function changeCaptcha(){
    $('captcha').src =   newImg.src ;
  }
  
  function toggleCheckBoxes ( all, boxId, countBoxes )
  {
    var stillOneChecked = false;

    if ( all && $( boxId + 0 ).checked )
    {
      for ( i=1; i<countBoxes; i++ )
      {
         $( boxId + i ).checked = false;
      }
    }

    if ( !all )
    {
      $( boxId + 0 ).checked = false;
    }

    oneIsChecked = false;

    for ( i=0; i<countBoxes; i++ )
    {
      if ( $( boxId + i ).checked == true )
      {
        oneIsChecked = true;
      }
    }
    if ( !oneIsChecked )
    {
      $( boxId + 0 ).checked = true;
    }

  }

  function toggleElementClass ( header, open, close )
  {
    if ( !open )
    {
      open = 'open';
    }

    if ( !close )
    {
      close = 'close-head';
    }

    if ( $( header ).hasClassName( close ) )
    {
      $( header ).removeClassName( close );
      $( header ).addClassName( open );
    }
    else if ( $( header ).hasClassName( open ) )
    {
      $( header ).removeClassName( open );
      $( header ).addClassName( close );
    }
  }

  function showOnce( id )
  {
    try
    {
      if ( $( id ).style.display == 'none' )
      {
        Effect.BlindDown( id );
      }
    }
    catch ( e ) { }
  }

  function alignDivPopup ( id ) {

    var x, y;

    if ( self.innerHeight ) // all except Explorer
    {
      x = self.innerWidth;
      y = self.innerHeight;
      yOffset = self.pageYOffset;
    }
    else if ( document.documentElement && document.documentElement.clientHeight )
      // Explorer 6 Strict Mode
    {
      x = document.documentElement.clientWidth;
      y = document.documentElement.clientHeight;
      yOffset = document.documentElement.scrollTop;
    }
    else if ( document.body ) // other Explorers
    {
      x = document.body.clientWidth;
      y = document.body.clientHeight;
      yOffset = document.body.scrollTop;
    }

    var halfWindowWidth = Math.round( x / 2 );
    var halfWindowHeight = Math.round( y / 2 );
    var halfPopupWidth = 100;
    var halfPopupHeight = 75;

    var alignLeft = halfWindowWidth - halfPopupWidth;
    var alignTop = halfWindowHeight - halfPopupHeight + yOffset;

    $( id ).style.left = alignLeft + "px";
    $( id ).style.top = alignTop + "px";
  }

  function addEmo( myId, text )
  {
    try
    {
      var txtarea = $( myId );
      text = ' ' + text + ' ';

      if ( txtarea.createTextRange && txtarea.caretPos )
      {
        var caretPos = txtarea.caretPos;
        caretPos.text = caretPos.text.charAt( caretPos.text.length - 1 ) == ' ' ? text + ' ' : text;
        txtarea.focus();
      }
      else
      {
        txtarea.value += text;
        txtarea.focus();
      }
    }
    catch ( e ) {}
  }

  function preloadHovers( baseUrl )
  {
    try
    {
      //alert('preload Hovers called');
      var imgPath = "css/img/";

      var hoverArr = new Array(
        baseUrl + imgPath + "link_down_over.png",
        baseUrl + imgPath + "link_extern_over.png",
        baseUrl + imgPath + "link_intern_over.png",
        baseUrl + imgPath + "arrow-dome2-close.gif",
        baseUrl + imgPath + "arrow-dome2-close.gif",
        baseUrl + imgPath + "arrow-dome-close.gif",
        baseUrl + imgPath + "arrow-dome-open.gif",
        baseUrl + imgPath + "slider-next.gif",
        baseUrl + imgPath + "slider-next-state2.gif",
        baseUrl + imgPath + "slider-prev.gif",
        baseUrl + imgPath + "slider-prev-state2.gif",
        baseUrl + imgPath + "btn/btn-02-left-active.png",
        baseUrl + imgPath + "btn/btn-02-right-active.png",
        baseUrl + imgPath + "btn/btn-02-left-active.gif",
        baseUrl + imgPath + "btn/btn-02-right-active.gif",
        baseUrl + imgPath + "btn/btn-03-left-active.png",
        baseUrl + imgPath + "btn/btn-03-right-active.png",
        baseUrl + imgPath + "btn/btn-03-left-active.gif",
        baseUrl + imgPath + "btn/btn-03-right-active.gif"
      );

      preload = new Array();

      for ( i = 0; i < hoverArr.length; i++ )
      {
        preload[i]= new Image();
        preload[i].src = hoverArr[i];
      }
    }
    catch ( e ) {}
  }

  function addInput( target )
  {
    try
    {
      var arr = Element.getElementsByClassName( 'inputFriend', 'friends-label-input' );
      var searchBarCount = arr.length;

      if ( target  ) {

        searchBarCount++;

        var node  = arr.last();
        var clone = node.cloneNode( true );

        clone.innerHTML = clone.innerHTML.replace( /\s\d+:/, " " + searchBarCount + ":" );

        $( 'inputFriend' ).appendChild( clone );
      }
    }
    catch ( e ) {}
  }

  function validate_form( alertText1, alertText2 )
  {
    try {
      var arr = Element.getElementsByClassName( 'inputFriend', 'friends-input' );
      var arrEmpty = true;

      for ( i = 0; i < arr.length; i++ )
      {
        if ( arr[i].value != '' )
        {
          arrEmpty = false;
          break;
        }
      }

      if ( arrEmpty )
      {
        alert( alertText1 );

        return false;
      }

      for ( i = 0; i < arr.length; i++ )
      {
        if ( arr[i].value != '' && !validate_email( arr[i] ) )
        {
          arr[i].style.borderColor = "red";
          arr[i].focus();

          alert( alertText2 );

          return false;
        }

        arr[i].style.borderColor = "#C2A29E";
      }
    }
    catch ( e ) {}

    return true;
  }

  function validate_email( field )
  {
    try {
      with ( field )
      {
        if ( /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test( value ) )
        {
          return true;
        }
      }
    }
    catch ( e ) {}

    return false;
  }

  function checkVoting( line, nr, count )
  {
    try {
      for ( i = 0; i < count; i++ )
	{
	  	if ( $('title-'+i+'-'+nr).checked && i != line )
		{
 			 $('title-'+i+'-'+nr).checked = false;

		}
  	
	}
    }
    catch ( e ) {}

    return false;
  }

  	function check_newsletterform() {
		var alerttext = "";
		var zeichen="/ ;:,äüö";

		// pers_email
		eingabe = document.forms.newsabo.pers_email.value;
		laenge = eingabe.length;
		for(i=0; i<laenge; i++) {
	  		badchar = eingabe.charAt(i);
	  		if (zeichen.indexOf(badchar)>-1) {
				alerttext += "\nDeine Email-Adresse enthaelt ungueltige Zeichen.";
			}
		}   		
     		var PosEt = document.forms.newsabo.pers_email.value.indexOf("@");
     		var PosPt = document.forms.newsabo.pers_email.value.indexOf(".", PosEt);
     		if ((document.forms.newsabo.pers_email.value == '') || (PosPt == -1) || (PosPt - PosEt < 2) || (document.forms.newsabo.pers_email.value.length - PosPt < 3) || (PosEt == -1) || (PosEt == 0) || (document.forms.newsabo.pers_email.value.indexOf("@", PosEt + 1) > PosEt)) {
			alerttext += "\nDeine Email-Adresse ist ungueltig.";	
		}

		// final check
		if (alerttext != "") {
			alerttext = "Es fehlen noch einige Angaben:\n" + alerttext;
			alert(alerttext);
		} else {		
			document.forms.newsabo.submit();
		}

	}