html='';
http=false;
try { http=window.XMLHttpRequest ? new XMLHttpRequest() : new ActiveXObject("Microsoft.XMLHTTP") }
catch (e) { http=''; alert("Your browser does not support Ajax, sorry") }
function handleresponse() {
if (http.readyState == 4) {
  document.getElementById('permlinkmsg').innerHTML=http.responseText
}
}
function checkid() {
var id=document.getElementById('permlink').value
http.open("GET", '/submit/check.php?id='+id);
http.onreadystatechange=handleresponse;
http.send(null);
}
function validator() {
var fields=new Object()
fields['ttitle']='Title';fields['url']='URL';fields['caption']='Caption';fields['permlink']='Permlink ID';
for (field in fields) {
  n=document.getElementById(field);
  if (n.value == '') {
    alert("Please enter "+fields[field]);
    n.focus();
    return false;
  }
}
checkid();
return true;
}