function getYear() { 
  var yearSelect = document.getElementById("godinaSelect"); 
  return yearSelect.value; 
} 

function getMonth() { 
  var monthSelect = document.getElementById("mjesecSelect"); 
  return monthSelect.value; 
} 

function getTocDocumentName() { 
  var month = getMonth(); 
  var year = getYear(); 
  return year + month + "_" + "sadrzaj.htm"; 
} 

function openSelectedToc() { 
  window.location.assign("/" + getTocDocumentName()); 
}