<link href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/base/jquery-ui.css" rel="stylesheet" type="text/css"/>
  <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.5/jquery.min.js"></script>
  <script src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/jquery-ui.min.js"></script>
 
  <script>
  $(document).ready(function() {
    $("input#s").autocomplete({
    source: ["Sydney", "Wollongong", "Whyalla", "Warrnambool", "Wagga Wagga", "Traralgon"
             , "Townsville", "Toowoomba", "Tewantin-Noosa", "Taree", "Tamworth", "Sunshine Coast",
             "Sunbury", "Shoalhaven", "Shoalhaven", "Shepparton-Mooroopna", "Roebourne", "Rockhampton",
             "Richmond-Windsor", "Queanbeyan", "Port Macquarie", "Perth" ,
             "Palmerston", "Newcastle", "Mount Isa", "Mount Gambier"]
    });
  });
  /** get enty http://wwp.greenwichmeantime.com/time-zone/australia/city/index.htm **/
  </script>



/*************************************************************/
/*************************** POINT 2 *************************/
/*************************************************************/


<script type="text/javascript">
$(function() {
	$('input#s').autocomplete({
		source: [ "Melbourne", 
				 "Kyneton", 
				 "Edinburgh", 
				 "Castlemaine", 
				 "Ballarat", 
				 "Bendigo", 
				 "New York", 
				 "Tokyo", 
				 "Beijing", 
				 "London"
				],
		minLength: 0
	}).focus(function(){            
		$(this).data("autocomplete").search($(this).val());
	});
});
</script>

<link href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/base/jquery-ui.css" rel="stylesheet" type="text/css"/>
  <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.5/jquery.min.js"></script>
  <script src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/jquery-ui.min.js"></script>
 
  <script>
  $(document).ready(function() {
    $("input#s").autocomplete({
    source: ["Sydney", "Wollongong", "Whyalla", "Warrnambool", "Wagga Wagga", "Traralgon"
             , "Townsville", "Toowoomba", "Tewantin-Noosa", "Taree", "Tamworth", "Sunshine Coast",
             "Sunbury", "Shoalhaven", "Shoalhaven", "Shepparton-Mooroopna", "Roebourne", "Rockhampton",
             "Richmond-Windsor", "Queanbeyan", "Port Macquarie", "Perth" ,
             "Palmerston", "Newcastle", "Mount Isa", "Mount Gambier"]
    });
  });
  /** get enty http://wwp.greenwichmeantime.com/time-zone/australia/city/index.htm **/
  </script>

1. auto complete code snippet like google suggestions 
2. auto suggestion with list of static suggestion on click on input box.

auto complete like google suggestion

PHP