function checkall(el){
  var ip = document.getElementsByTagName('input'), i = ip.length - 1;
  for (i; i > -1; --i){
    if(ip[i].type && ip[i].type.toLowerCase() === 'checkbox'){
      ip[i].checked = el.checked;
    }
  }
}


function OLDtoggledisplay(targetId) { 
  target = document.all(targetId); 
  if (target.style.display == "none"){ 
    target.style.display=""; 
  } else { 
    target.style.display="none"; 
  } 
} 

function toggledisplay(targetId) { 
  var theTargetId = targetId.split(",");
  for(var s=0;s<theTargetId.length;s++) {
    target = document.all(theTargetId[s]); 
    if (target.style.display == "none"){ 
      target.style.display=""; 
    } else { 
      target.style.display="none"; 
    } 
  }
}