// --------------neue Seite anzeigen-------------------------------------------------------------
    function display_page(menu_highlight,page_selected) {
    
      document.main_form.menuHighlight.value=menu_highlight;
      document.main_form.pageToBeDisplayed.value=page_selected;
      document.main_form.picToBeDisplayed.value=page_selected;
    
      document.main_form.submit();
    }  
    function set_page(menu_highlight,page_selected) {
    
      document.main_form.menuHighlight.value=menu_highlight;
      document.main_form.pageToBeDisplayed.value=page_selected;
      document.main_form.picToBeDisplayed.value=page_selected;
    }     
    
    var x; var k; var i; var p;
    
    
    
    
    
    
    // array der Kapitelueberschriften
    
    // -------------------------------------- Start ---------------------------------------------------
    //Per Verweis aus seitlichem Untermenue Datei in iframe laden
    /* var curr_EINS_ress="";
    var curr_ZWEI_ress="";
    var curr_DREI_ress="";
    var curr_VIER_ress="";
    
    function lade_seite(ifr_cont,datei,bereich) {
    
    document.getElementById(ifr_cont).setAttribute('src',datei);
    if(bereich=="EINS")
      {curr_EINS_ress=datei;}
    if(bereich=="ZWEI")
      {curr_ZWEI_ress=datei;}
    if(bereich=="DREI")
      {curr_DREI_ress=datei;}
    if(bereich=="VIER")
      {curr_VIER_ress=datei;}
    
    } */
    // ------------------------------------- Ende -----------------------------------------------------
    /* function set_curr_ress_var(selecMenue,selecDatei) {
    if(selecMenue=="EINS_menue")
      {curr_EINS_ress=selecDatei;}
    if(selecMenue=="ZWEI_menue")
      {curr_ZWEI_ress=selecDatei;}
    if(selecMenue=="DREI_menue")
      {curr_DREI_ress=selecDatei;}
    if(selecMenue=="VIER_menue")
      {curr_VIER_ress=selecDatei;}
    } */
    
    // --------------------------------------- Beginn -------------------------------------------------
    //Ueberprueft Farbstatus des aktuellen Buttons, highlighted ihn und stellt alle anderen auf Grundfarbe zurueck
    /* function check_button_subitem(selected_item,selected_chapt,sel_chap_img) {
    
    for(i=0;i<=sub_menue_items.length-1;i++)
    {
    if(sub_menue_items[i]==selected_item)
    {document.getElementById(sub_menue_items[i]).style.backgroundColor="#ffeecc";}
    else
    {document.getElementById(sub_menue_items[i]).style.backgroundColor="#b8d7b6";}
    }
    check_button_subchap(selected_chapt,sel_chap_img);
    } */
    
    // ---------------------------------------- Ende ------------------------------------------------
    
    // ------------------------------------- Start ---------------------------------------------------
    //Ueberprueft Farbstatus des ausgewahlten SUB-Buttons, highlighted ihn und stellt andere Buttons auf Grundfarbe (Array erforderlich)
    /* function check_mo_subitem(p) {
    for(x=0;x<=sub_menue_items.length-1;x++)
    {
      if((document.getElementById(sub_menue_items[x]).style.backgroundColor=="#ffeecc") || (document.getElementById(sub_menue_items[x]).style.backgroundColor=="rgb(255, 238, 204)")) 
      { 
        document.getElementById(sub_menue_items[x]).style.backgroundColor="#ffeecc";
      }
      else
      { 
        if(sub_menue_items[x]==p)
        {document.getElementById(sub_menue_items[x]).style.backgroundColor="#ebd793";
        }
        else
        {document.getElementById(sub_menue_items[x]).style.backgroundColor="#b8d7b6";
        }
      }
    }
    } */
    // ------------------------------------- Ende -------------------------------------------------
    // --------------------------------------- Beginn -------------------------------------------------
    //Ueberprueft Farbstatus aller SUB-Buttons, stellt alle bis auf den selected Button auf Grundfarbe
    /* function check_up_subitem(z) {
    for(k=0;k<=sub_menue_items.length-1;k++)
    {
if((document.getElementById(sub_menue_items[k]).style.backgroundColor=="#ebd793")||(document.getElementById(sub_menue_items[k]).style.backgroundColor=="rgb(235, 215, 147)"))
    {document.getElementById(sub_menue_items[k]).style.backgroundColor="#b8d7b6";}
    
    }
    } */
    // ---------------------------------------- Ende ------------------------------------------------
    // --------------------------------------- Beginn -------------------------------------------------
    //Ueberprueft Farbstatus des aktuellen Buttons, highlighted ihn und stellt alle anderen auf Grundfarbe zurueck
    /* function check_button_subchap(selected_chap,selected_chap_img) {
    for(i=0;i<=sub_menue_chap.length-1;i++)
      {
        if(sub_menue_chap[i]==selected_chap)
        {document.getElementById(sub_menue_chap[i]).style.backgroundColor="#ffffff";}
        else
        {document.getElementById(sub_menue_chap[i]).style.backgroundColor="#a4d1b0";}
      }
    } */
    // ---------------------------------------- Ende ------------------------------------------------
    
    // -------------------------------------- Start ---------------------------------------------------
    //Ueberprueft Anzeige-Status der Plusminus-Grafik
    /* var kapitel;
    function chkMenStat(kapitel,plusminus) {
    
    if(document.getElementById(kapitel).style.visibility=="visible")
    {document.getElementById(kapitel).style.display="none";
    document.getElementById(kapitel).style.visibility="hidden";
    document.getElementById(kapitel).style.backgroundColor="#ccdebc";
    document.getElementById(plusminus).setAttribute('src','grafik/plus.gif');}
    else
    {document.getElementById(kapitel).style.display="block";
    document.getElementById(kapitel).style.visibility="visible";
    document.getElementById(plusminus).setAttribute('src','grafik/minus.gif');} 
    } */
    // ------------------------------------- Ende -------------------------------------------------
    
    // ------------------------------------- Start ---------------------------------------------------
    //Ueberprueft Farbstatus des ausgewahlten CHP-Buttons, highlighted ihn und stellt andere Buttons auf Grundfarbe (Array erforderlich)
   /*  function check_mo_subchap(y) {
    for(x=0;x<=sub_menue_chap.length-1;x++)
    {
      if((document.getElementById(sub_menue_chap[x]).style.backgroundColor=="#ffffff") || (document.getElementById(sub_menue_chap[x]).style.backgroundColor=="rgb(255, 255, 255)"))
      { 
        document.getElementById(sub_menue_chap[x]).style.backgroundColor="#ffffff";
      }
      else
      { 
        if(sub_menue_chap[x]==y)
        {document.getElementById(sub_menue_chap[x]).style.backgroundColor="#ebd793";
        document.getElementById(sub_menue_chap[x]).style.color="#ffffff";}
        else
        {document.getElementById(sub_menue_chap[x]).style.backgroundColor="#a4d1b0";
        document.getElementById(sub_menue_chap[x]).style.color="#ffffff";}
      }
    }
    } */
    // ------------------------------------- Ende -------------------------------------------------
    // --------------------------------------- Beginn -------------------------------------------------
    //Ueberprueft Farbstatus aller CHAP-Buttons, stellt alle bis auf den selected Button auf Grundfarbe
    /* function check_up_subchap(z) {
    for(k=0;k<=sub_menue_chap.length-1;k++)
    {
if((document.getElementById(sub_menue_chap[k]).style.backgroundColor=="#ebd793")||(document.getElementById(sub_menue_chap[k]).style.backgroundColor=="rgb(235, 215, 147)"))
    {document.getElementById(sub_menue_chap[k]).style.backgroundColor="#a4d1b0";}
    
    }
    } */
    // ---------------------------------------- Ende ------------------------------------------------
    
    /* function check_ueb_butt_onmov(uebChapter) {
      for(i=0;i<=sub_menue_chap.length-1;i++)
      {
      if((sub_menue_chap[i]==uebChapter)&&((document.getElementById(sub_menue_chap[i]).style.backgroundColor!="#ffffff")&&(document.getElementById(sub_menue_chap[i]).style.backgroundColor!="rgb(255, 255, 255)")))
      {document.getElementById(sub_menue_chap[i]).style.backgroundColor="#ebd793";}
      else
        {
          if((document.getElementById(sub_menue_chap[i]).style.backgroundColor!="#ffffff")&&(document.getElementById(sub_menue_chap[i]).style.backgroundColor!="rgb(255, 255, 255)"))
          {document.getElementById(sub_menue_chap[i]).style.backgroundColor="#a4d1b0";}
        }
      }
    } */
    /* function check_ueb_butt_onmout(uebChapter) {
      
      if((document.getElementById(uebChapter).style.backgroundColor=="#ebd793")||(document.getElementById(uebChapter).style.backgroundColor=="rgb(235, 215, 147)"))
      {document.getElementById(uebChapter).style.backgroundColor="#a4d1b0";}
    }
    function hilight_ueb_butt(uebChapter) {
      for(i=0;i<=sub_menue_chap.length-1;i++)
      {
      if(sub_menue_chap[i]==uebChapter)
      {document.getElementById(sub_menue_chap[i]).style.backgroundColor="#ffffff";}
      else
      {document.getElementById(sub_menue_chap[i]).style.backgroundColor="#a4d1b0";}
      }
    } */
    
    
    // ----------------- Blendet das Seitenmenue ein bzw. aus ---------------------------------------
    var men_in_out = 1;
    
    function display_menu() {
    if(men_in_out==1) 
    { 
         document.getElementById('cont_col1').style.display='none';
         document.getElementById('cont_col1').style.visibility='hidden';
         document.getElementById('cont_col2').style.marginLeft='12px';
            if(navigator.appName=="Microsoft Internet Explorer")
              {document.getElementById('cont_col2').style.width='100%';}
            else
              {document.getElementById('cont_col2').style.width='auto';}
       
      
    men_in_out = 0;
    }
    else
    {
        document.getElementById('cont_col1').style.display='block';
        document.getElementById('cont_col1').style.visibility='visible';
        document.getElementById('cont_col2').style.marginLeft='27%';
          if(navigator.appName=="Microsoft Internet Explorer")
            {document.getElementById('cont_col2').style.width='100%';}
          else
            {document.getElementById('cont_col2').style.width='auto';}
    men_in_out = 1;
    }
    }
    function show_menu() {
    document.getElementById('cont_col1').style.display='block';
    document.getElementById('cont_col1').style.visibility='visible';
    document.getElementById('cont_col2').style.marginLeft='27%';
    if(navigator.appName=="Microsoft Internet Explorer")
      {document.getElementById('cont_col2').style.width='100%';}
    else
      {document.getElementById('cont_col2').style.width='auto';}
    men_in_out = 1;
    }
    // ---------------------------------------- Ende ------------------------------------------------
    
    // ----------------- Blendet den Seitenbaum ein bzw. aus ---------------------------------------
    var sitetree_in_out = 0;
    
    function display_sitetree() {
    if(sitetree_in_out==1) 
    {for(var sto=0;sto<sub_menue_cont.length;sto++)
    {document.getElementById(sub_menue_cont[sto]).style.display='none';
    document.getElementById(sub_menue_cont[sto]).style.visibility='hidden';}
    for(var sticoplus=0;sticoplus<sub_chpA_img.length;sticoplus++)
    {document.getElementById(sub_chpA_img[sticoplus]).setAttribute('src','grafik/plus.gif');}
    sitetree_in_out = 0;}
    else
    {for(var sti=0;sti<sub_menue_cont.length;sti++)
    {document.getElementById(sub_menue_cont[sti]).style.display='block';
    document.getElementById(sub_menue_cont[sti]).style.visibility='visible';}
    for(var sticominus=0;sticominus<sub_chpA_img.length;sticominus++)
    {document.getElementById(sub_chpA_img[sticominus]).setAttribute('src','grafik/minus.gif');}
    sitetree_in_out = 1;}
    }
    // ---------------------------------------- Ende ------------------------------------------------
    
    //Ermiitelt viewport-Hoehe zur Anzeige Klickfeldes zum Einblenden-/Ausblenden des Seitenmenues
    function get_height() {
    var barHeight=window.innerHeight; //Hoehe des Fenster insgesamt 
    var kopf_Height=document.getElementById('kopf').scrollHeight; //Hoehe des Kopfbereiches 
    var topnav_Height=document.getElementById('top_navigation').scrollHeight; //Hoehe der Top-Navigation 
    
    if(navigator.appName=="Microsoft Internet Explorer")
      {document.getElementById('cont_col0').style.height = document.getElementById('seite').offsetHeight + 'px';} 
    else if((navigator.appName=="Netscape")||(navigator.appCodeName=="Mozilla"))
      {barHeight=barHeight - kopf_Height;
      barHeight=barHeight - topnav_Height;
      document.getElementById('cont_col0').style.height = barHeight + 'px';}
    }
    // ---------------------------------------- Ende ------------------------------------------------
    
    
    /* Beginn Highligthen des Impressum-Button - Zuruecksetzen der anderen Button auf Grundfarbe --- */
    /* function impr_hi() {
    document.getElementById("sub_VIER_chpA_4").style.backgroundColor="#ebd793";}
    function impr_lo() {
    document.getElementById("sub_VIER_chpA_4").style.backgroundColor="#d3d3d3";}
    function menu_lo() {
      for(i=0;i<=sub_menue_items.length-1;i++)
      {
      document.getElementById(sub_menue_items[i]).style.backgroundColor="#b8d7b6";
      }
      for(i=0;i<=sub_menue_chap.length-1;i++)
      {
      document.getElementById(sub_menue_chap[i]).style.backgroundColor="#a4d1b0";
      }
    } */
    /* Ende Highligthen des Impressum-Button - Zuruecksetzen der anderen Button auf Grundfarbe --- */
    
    function google(longitude,latitude) {
      var google_win = window.open("google_map.htm?lon="+longitude+"&lat="+latitude,"google_map","dependent=yes, left=200, top=200, location=no, menubar=no, resizable=yes, scrollbars=no, toolbar=no");
      google_win.focus();
    }