//-------------------------------------Menu-----------------------------------//

function menu(tag) {  
  /*---------------------HTTP Request-------------------*/
    http_request = false;
  
    if (window.XMLHttpRequest) { // Mozilla, Safari,...
        http_request = new XMLHttpRequest();
        if (http_request.overrideMimeType) {
            http_request.overrideMimeType('text/xml');
            // zu dieser Zeile siehe weiter unten
        }
    } else if (window.ActiveXObject) { // IE
        try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e) {
            try {
                http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
        }
    }
  
    if (!http_request) {
        alert('Ende :( Kann keine XMLHTTP-Instanz erzeugen');
        return false;
    }
    http_request.onreadystatechange = mainmenu;
    http_request.open("POST", 'includes/mainmenu.php');
    http_request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    http_request.send('nav='+tag);
}

function mainmenu() {
    if (http_request.readyState == 4) {
         var answer = http_request.responseText;
    	   //var answer = http_request.responseText;
    	   if(document.getElementById("mainmenu").innerHTML != answer){
            document.getElementById("mainmenu").innerHTML = answer;
          }
          else{
            document.getElementById("mainmenu").innerHTML = "";
          }
    }
}

/*---------------------------------Inhalt-------------------------------------*/
function inhalt(sub, sub2){
  if(sub=='teams'){
    datei = 'inhalt/teams/teams.php';
    request = 'team='+sub2;
  }

  if(sub=='ak'){
    datei = 'inhalt/teams/teams.php?sub='+sub2;
    request = 'post=1';
  }

  if(sub=='main'){
    if(sub2=='news'){
      datei = 'inhalt/news.php';
      request = '';
    }
    if(sub2=='vorstand'){
      datei = 'inhalt/vorstand.php';
      request = '';
    }
    if(sub2=='jugend'){
      datei = 'inhalt/jugend/jugend.php';
      request = '';
    }
  }

  if(sub=='news'){
    datei = 'inhalt/news.php';
    request = 'ID='+sub2;
  }
  
  if(sub=='gb'){
    datei = 'guestbook/gb.php';
    request = 's_id=1&'+sub2;
  }

  /*---------------------HTTP Request-------------------*/
    inhalt_request = false;
  
    if (window.XMLHttpRequest) { // Mozilla, Safari,...
        inhalt_request = new XMLHttpRequest();
        if (inhalt_request.overrideMimeType) {
            inhalt_request.overrideMimeType('text/xml');
        }
    } else if (window.ActiveXObject) { // IE
        try {
            inhalt_request = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e) {
            try {
                inhalt_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
        }
    }
  
    if (!inhalt_request) {
        alert('Ende :( Kann keine XMLHTTP-Instanz erzeugen');
        return false;
    }
    
    inhalt_request.onreadystatechange = content;
    inhalt_request.open("POST", datei);
    inhalt_request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    inhalt_request.send(request);

}



function content() {
  if (inhalt_request.readyState == 4) {
    var answer = inhalt_request.responseText;
  	//var answer = http_request.responseText;
  	if(document.getElementById("inhalt").innerHTML != answer){
      document.getElementById("inhalt").innerHTML = answer;
    }
    else{
      document.getElementById("inhalt").innerHTML = "";
    }
    document.getElementById("loading_indicator").style.visibility='hidden';
  } else {
    document.getElementById("loading_indicator").style.visibility='visible';
  }
}


/*----------------------------GB_Add Popup-------------------*/
function gb_add() {
	newwindow=window.open('guestbook/gb_add.html','gb_popup','width=480,height=390,location=no,toolbar=no,menubar=no,scrollbars=yes,status=no,titlebar=no,directories=no,screenX=200,screenY=200');
}

/*--------Kontrollzentrum toggle------------------------*/
function toggle(id) {
  display_stat = document.getElementById(id).style.display;
  if(display_stat == 'none') {
    document.getElementById(id).style.display = 'inline';
  } else {
    document.getElementById(id).style.display = 'none';
  }
  
}

/*----------------------------Aktuelles Popup-------------------*/
function aktuelles(typ) {
	newwindow=window.open('intern/aktuelles_admin.php?typ='+typ,'gb_popup','width=320,height=400,location=no,toolbar=no,menubar=no,scrollbars=yes,status=no,titlebar=no,directories=no,screenX=200,screenY=200');
}

/*---------------------------Allgemeiner Request------------------------------*/
function request(datei, pos){
  /*---------------------HTTP Request-------------------*/
    http_request = false;
  
    if (window.XMLHttpRequest) { // Mozilla, Safari,...
        http_request = new XMLHttpRequest();
        if (http_request.overrideMimeType) {
            http_request.overrideMimeType('text/xml');
        }
    } else if (window.ActiveXObject) { // IE
        try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e) {
            try {
                http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
        }
    }
  
    if (!http_request) {
        alert('Ende :( Kann keine XMLHTTP-Instanz erzeugen');
        return false;
    }
    
    http_request.onreadystatechange = pos;
    http_request.open("POST", datei);
    http_request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    http_request.send('s_id=1');
}

/*---------------------------Positionen--------------------------------------*/
function news_titel() {
  if (http_request.readyState == 4) {
    var answer = http_request.responseText;
  	//var answer = http_request.responseText;
  	if(document.getElementById("news_titel").innerHTML != answer){
      document.getElementById("news_titel").innerHTML = answer;
    }
    else{
      document.getElementById("news_titel").innerHTML = "";
    }
    document.getElementById("loading_indicator").style.visibility='hidden';
  } else {
    document.getElementById("loading_indicator").style.visibility='visible';
  }
}
function news_text() {
  if (http_request.readyState == 4) {
    var answer = http_request.responseText;
  	//var answer = http_request.responseText;
  	if(document.getElementById("news_text").innerHTML != answer){
      document.getElementById("news_text").innerHTML = answer;
    }
    else{
      document.getElementById("news_text").innerHTML = "";
    }
    document.getElementById("loading_indicator").style.visibility='hidden';
  } else {
    document.getElementById("loading_indicator").style.visibility='visible';
  }
}

/*--------------------------Text in Textarea einfügen-------------------------*/
function insert(aTag, eTag) {
  var input = document.forms['news_admin_form'].elements['text'];
  input.focus();
  /* für Internet Explorer */
  if(typeof document.selection != 'undefined') {
    /* Einfügen des Formatierungscodes */
    var range = document.selection.createRange();
    var insText = range.text;
    range.text = aTag + insText + eTag;
    /* Anpassen der Cursorposition */
    range = document.selection.createRange();
    if (insText.length == 0) {
      range.move('character', -eTag.length);
    } else {
      range.moveStart('character', aTag.length + insText.length + eTag.length);      
    }
    range.select();
  }
  /* für neuere auf Gecko basierende Browser */
  else if(typeof input.selectionStart != 'undefined')
  {
    /* Einfügen des Formatierungscodes */
    var start = input.selectionStart;
    var end = input.selectionEnd;
    var insText = input.value.substring(start, end);
    input.value = input.value.substr(0, start) + aTag + insText + eTag + input.value.substr(end);
    /* Anpassen der Cursorposition */
    var pos;
    if (insText.length == 0) {
      pos = start + aTag.length;
    } else {
      pos = start + aTag.length + insText.length + eTag.length;
    }
    input.selectionStart = pos;
    input.selectionEnd = pos;
  }
  /* für die übrigen Browser */
  else
  {
    /* Abfrage der Einfügeposition */
    var pos;
    var re = new RegExp('^[0-9]{0,3}$');
    while(!re.test(pos)) {
      pos = prompt("Einfügen an Position (0.." + input.value.length + "):", "0");
    }
    if(pos > input.value.length) {
      pos = input.value.length;
    }
    /* Einfügen des Formatierungscodes */
    var insText = prompt("Bitte geben Sie den zu formatierenden Text ein:");
    input.value = input.value.substr(0, pos) + aTag + insText + eTag + input.value.substr(pos);
  }
}

/*-------------------------News Bilder Popup----------------------------------*/
function news_pic() {
	newwindow=window.open('intern/news_admin/news_pic.php','Bild einfügen','width=500,height=500,location=no,toolbar=no,menubar=no,scrollbars=no,status=no,titlebar=no,directories=no,screenX=200,screenY=200');
	newwindow.focus();
}

function pic_select() {
  ok=0;
  selection_pic = document.news_pic_form.Bild;
  for (i=0; i<selection_pic.length; i++){
    if (selection_pic[i].checked === true){
      picture = selection_pic[i].value;
      ok=1;
    }
  }
  
  if(ok){
    text = opener.document.forms['news_admin_form'].elements['text'].value;
    opener.document.forms['news_admin_form'].elements['text'].value = text + '[bild]' + picture + '[/bild]';
    window.close();
  } else {
    alert('Sie müssen ein Bild auswählen.');
  }
}