Ajax garbled questions (similar to Baidu search page), online answers, heroes are free to help

Ajax garbled text (similar to Baidu search page), online answers, heroes are free to help & nbsp; how to solve this garbled text !!! I posted all my codes: & lt ;? Php // require ('Common. inc. php '); // require ('config. inc. php '); mysql_connect ajax garbled questions (similar to Baidu search page), online answers, heroes are free to help
How can this garbled code be solved !!! I posted all the code:

 // Require ('Common. inc. php ');
// Require ('config. inc. php ');
Mysql_connect ('localhost', 'root', '123 ');
Mysql_select_db ("hxy1__20100416 ");
Mysql_query ("set names gbk"); // prevents garbled characters during database interaction
Header ('content-Type: text/html; charset = gbk ');

$ QueryString = $ _ POST ['querystring'];

If (strlen ($ queryString)> 0 ){
$ SQL = "SELECT username FROM phpcms_member WHERE username LIKE '". $ queryString. "% 'limit ";
Echo $ SQL;
$ Query = mysql_query ($ SQL );
While ($ result = mysql_fetch_array ($ query ))
{
$ Value = $ result ['username'];
Echo'
 
  
'. $ Value .'';
  
}
  

  
}
  
?>
  

 

Htm:

 
  

  

  
   

   Ajax search
   

   
    
Script
    

    
     
Function lookup (inputString ){
     
If (inputString. length = 0 ){
     
// Hide the suggestion box.
     
$ ('# Suggestions'). hide ();
     
} Else {
     
$. Post ("rpc. php", {queryString: "" + inputString + ""}, function (data ){
     
If (data. length> 0 ){
     
$ ('# Suggestions'). show ();
     
('{Autosuggestionslist'{.html (data );
     
}
     
});
     
}
     
} // Lookup
     
Function fill (thisValue ){
     
$ ('# InputString'). val (thisValue );
     
SetTimeout ("$ ('# suggestions'). hide ();", 200 );
     
}
     
Script
     

     
      
Body {
      
Font-family: Helvetica;
      
Font-size: 11px;
      
Color: #000;
      
}
      
H3 {
      
Margin: 0px;
      
Padding: 0px;
      
}
      
. SuggestionsBox {
      
Position: relative;
      
Left: 30px;
      
Margin: 10px 0px 0px 0px;
      
Width: 200px;
      
Background-color: #212427;
      
-Moz-border-radius: 7px;
      
-Webkit-border-radius: 7px;
      
Border: 2px solid #000;
      
Color: # fff;
      
}
      
. SuggestionList {
      
Margin: 0px;
      
Padding: 0px;
      
}
      
. SuggestionList li {
      
Margin: 0px 0px 3px 0px;
      
Padding: 3px;
      
Cursor: pointer;