function toggleBox(szDivID, iState) // 1 visible, 0 hidden 
{ 

  if(document.layers)  // NN4 
  { 
    document.layers[szDivID].visibility = iState ? "show" : "hide"; 
  } 
  else if(document.getElementById) // gecko(NN6) + IE5+ 
  { 
    var obj = document.getElementById(szDivID); 
    obj.style.visibility = iState ? "visible" : "hidden"; 
  } 
  else if(document.all) //IE 4 
  { 
    document.all[szDivID].style.visibility = iState ? "visible" : "hidden"; 
  } 
}