var req1, name;
function loadSearchXMLDoc1(key,field,category) {
  var checknumbers = document.getElementById('prop_id').value;
  if(isNaN(checknumbers)){
  document.getElementById('quicksearch').style.display = "block";
  }
   name = field;
   var url="http://www.selfcatering-holidayhomes.com/autocomplete.php?prop_id="+key+"&cat="+category;
   // Internet Explorer
   try { req1 = new ActiveXObject("Msxml2.XMLHTTP"); } 
   catch(e) { 
      try { req1 = new ActiveXObject("Microsoft.XMLHTTP"); } 
      catch(oc) { req1 = null; } 
   } 
   // Mozailla/Safari 
   if (!req1 && typeof XMLHttpRequest != "undefined") { req1 = new XMLHttpRequest(); } 

   // Call the processChange() function when the page has loaded 
   if (req1 != null) {
      req1.onreadystatechange = processSearchChange; 
      req1.open("GET", url, true); 
      req1.send(null); 
   } 
} 
function processSearchChange() {
   if (req1.readyState == 4 && req1.status == 200)
   	 //alert(req1.responseText);
      //getObject(name).innerHTML = req1.responseText;
	  document.getElementById('quicksearch').innerHTML = req1.responseText;
  
} 
function set(val)
{
	document.getElementById('prop_id').value=val;
}