function hidesubs() {
    var FirstNode = 0;
    if (document.getElementById) { 
      for (i=0;i<document.getElementsByTagName('ul').length; i++) {
        if(document.getElementsByTagName('ul').item(i).id.substring(0,4) == 'Menu' && FirstNode == 0 ) { FirstNode = document.getElementsByTagName('ul').item(i).id.substring(4); }
        if(document.getElementsByTagName('ul').item(i).id.substring(0,4) == 'Menu' && document.getElementsByTagName('ul').item(i).id.substring(4) != FirstNode ) {
          if(document.getElementsByTagName('ul').item(i).innerHTML.indexOf('currentmenu') == -1) { document.getElementById(document.getElementsByTagName('ul').item(i).id).style.display = "none"; }
        }
      }
    }
  }
  
/* zbalovanie a rozbalovanie ako na upsvar
function hidesubs() {
    if (document.getElementById) { 

      if(document.getElementById('Menu1').innerHTML.indexOf('currentmenu') != -1 ) {
        //alert(document.getElementById('Menu1').innerHTML);
        var Block = document.getElementById('Menu1').innerHTML.toLowerCase();
        
        var Fstart = Block.indexOf('currentmenu');
        //alert(Fstart);
        var Fstop = Block.indexOf('begin',Fstart);
        //alert (Fstop);
        var SearchStr = Block.substring(Fstart,Fstop);
        //var SearchStr = document.getElementById('Menu1').innerHTML.substring(document.getElementById('Menu1').innerHTML.indexOf('currentmenu'),Block.indexOf('</li>',document.getElementById('Menu1').innerHTML.indexOf('currentmenu')))
        //alert (SearchStr);
        var Sstart = SearchStr.indexOf('toggleMenu(\'',SearchStr.indexOf('currentmenu'));
        var Sstop = SearchStr.indexOf('\')',SearchStr.indexOf('currentmenu'));
        var jump = SearchStr.substring(Sstart,Sstop); 
        //alert(jump);
        var jumpId = jump.substring(12,jump.length);
        //alert(jumpId);
        //toggleMenu('Menu3')
      }


      for (i=0;i<document.getElementsByTagName('ul').length; i++) { 
      //alert('testujem' + document.getElementsByTagName('ul').item(i).id);
        if(document.getElementsByTagName('ul').item(i).id.indexOf('Menu') != -1) { // ak ma id MenuXXX
          //alert(document.getElementsByTagName('ul').item(i).id+' ma id Menu'); 
          if(document.getElementsByTagName('ul').item(i).id != 'Menu1') { // nie je to id Menu1
            //alert(document.getElementsByTagName('ul').item(i).id+' nie je Menu1');
            if(document.getElementsByTagName('ul').item(i).innerHTML.indexOf('currentmenu') != -1) { // obsahuje currentmenu
              //alert(document.getElementsByTagName('ul').item(i).id+' obsahuje currentmenu');
              jumpId = 0;
            }
            else { 
              if(document.getElementsByTagName('ul').item(i).id == 'Menu'+jumpId) { // vyratane preskocenie vnoreneho submenu
                //alert(document.getElementsByTagName('ul').item(i).id+' == jumpId == '+jumpId);
              }
              else { document.getElementById(document.getElementsByTagName('ul').item(i).id).style.display = "none"; }
            }
          }
        }
      }
      
  }
}
  */
  
  function toggleMenu(w) {
    if (document.getElementById) {
      document.getElementById(w).style.display = document.getElementById(w).style.display == "none" ? "block" : "none"; 
    }
  }
  
  function fillpoll(a,fid) {
    document.getElementById(fid).elements['a'].value = a;
    document.getElementById(fid).submit();
  }
  
  
   /* mapa charita */

 im = new Object();
 im_bl = new Object();
 im['mapa'] = new Image (465,317);
 im_bl['mapa'] = new Image (465,317);

 im['mapa'].src = "../Mapa/mapa_uroven_00.gif";
 im_bl['mapa'].src = "../Mapa/mapa_uroven_01.gif";

  function ZoomIn(M) {
    document.images[M].src = im_bl[M].src;
    return;
  }

  function ZoomOut(M) {
    document.images[M].src = im[M].src;
    return;
  }