$(function() { 
	var ac = $("#city_search").autocomplete( "/autosuggest.php",
		{
			delay:10,
			minChars:2,				
			matchContains:1,
			cacheLength:10,							
			formatItem:formatItem,
			autoFill:true
		}
	);
});
function formatItem(row) {
  if(row[1] == 'City_county'){
   return  'City' + " : " + row[0] ;
  }  
  return  row[1] + " : " + row[0] ;
}