document.write('<style type="text/css">\n')
document.write('#otevirac {display: none;}\n')
document.write('</style>\n')

  function show(element,co) {
     var srcElement = document.getElementById(element);

     if(srcElement != null) {
        if(srcElement.style.display == "block") {
           srcElement.style.display= 'none';
        }
        else {
               srcElement.style.display='block';
               
            // Create a text field
            try {
                var textField = document.createElement('<INPUT name=\'what\'  type=\'hidden\' />');
            } catch(e) {
                var textField = document.createElement('INPUT');
                textField.name = 'what';
            }
            textField.type = 'hidden';
            textField.value = co;
            textField.style.display = 'block';
            srcElement.appendChild(textField);
                     
        }
        return false;
     }
  }