function nastavTaby() {
    pgurl = String(document.location).toLowerCase();
    
    
    
    taburl = 'tab_'+trimHref(pgurl);
    
    
    
    var tabs = document.getElementsByClassName('tabHead');
    
    for(i=0;i<tabs.length;i++) {
      linky = tabs[i].getElementsByTagName('a');
      
      try {
        linky[0].onclick = function() { return doTab(this); }
        linky[0].className = 'active' ;
        linky[0].style.zIndex = 10;
        linky[0].zIndex = 10;
        boxik = 'tab_'+trimHref(linky[0].href);               
        document.getElementById(boxik).style.display = 'block';
      } catch(e) {}
        
      
      
      for(j=1;j<linky.length;j++) {
        linky[j].onclick = function() { return doTab(this); }
        boxik = 'tab_'+trimHref(linky[j].href);
        
        if(boxik == taburl) {
          linky[0].className = 'inactive' ;
          linky[0].style.zIndex = 1;
          linky[0].zIndex = 1;
          linky[j].className = 'active' ;
          linky[j].style.zIndex = 10;
          linky[j].zIndex = 10;
          document.getElementById(boxik).style.display = 'block';
          boxik = 'tab_'+trimHref(linky[0].href);
          document.getElementById(boxik).style.display = 'none';
        } else {
          document.getElementById(boxik).style.display = 'none';
          linky[j].className = 'inactive' ;
        }
      }
      
      
      
    }
      
    
  
  
  
  
  
}

function doTab(co) {
  if(co.className == 'inactive') {
    linky = co.parentNode.parentNode.getElementsByTagName('a');
    actual = co.href;
    
    for(j=0;j<linky.length;j++) {
      if(linky[j].href == actual) {
        linky[j].className = '';
        linky[j].style.zIndex = 10;
        linky[j].zIndex = 10;
        linky[j].blur();
        boxik = 'tab_'+trimHref(linky[j].href); 
        document.getElementById(boxik).style.display = 'block';
      } else {
        linky[j].className = 'inactive';
        linky[j].style.zIndex = 1;
        linky[j].zIndex = 1;
        boxik = 'tab_'+trimHref(linky[j].href); 
        document.getElementById(boxik).style.display = 'none';
      }
    }
    // try{
    //      document.getElementById('redir_achor').value = '#'+trimHref(actual);
    // } catch(e) {}
  } else {
    co.blur();
  }
  
  // return false;
}

function trimHref(hrefToTrim) {
  hrefToTrim = hrefToTrim.substring(hrefToTrim.lastIndexOf('#')+1, hrefToTrim.length);
  return hrefToTrim;
}


document.getElementsByClassName = function(clsName){
    var retVal = new Array();
    var elements = document.getElementsByTagName("*");
    for(var i = 0;i < elements.length;i++){
        if(elements[i].className.indexOf(" ") >= 0){
            var classes = elements[i].className.split(" ");
            for(var j = 0;j < classes.length;j++){
                if(classes[j] == clsName)
                    retVal.push(elements[i]);
            }
        }
        else if(elements[i].className == clsName)
            retVal.push(elements[i]);
    }
    return retVal;
}







function toInt(x) {
	return ( x > 0 ? Math.floor( x ) : Math.ceil ( x ) )
}




function isNumeric(sText) {
   var ValidChars = "0123456789.";
   var IsNumber=true;
   var Char;

   for (i = 0; i < sText.length && IsNumber == true; i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumber = false;
         }
      }
   return IsNumber;   
}