1. <div class="label_div">Type Category</div>
2.                         <input name="category1" type="text" id="category1" value="<?php echo $_POST['category1']; ?>" size="35"   onkeyup="categoryscript1()" />
3.                         
4.                             
5.                           <div class="input_container">
6.                             <ul id="categorylist1">
7.                             </ul>
8.                           </div>
9.                           </div>
10.                             <!-- content -->
11.           
12.                           <!-- footer -->
13.                       </div>

My AJAX

1. function categoryscript1() {
    
        var min_length = 0; // min caracters to display the autocomplete
       var keyword = $('#category1').val();
      
       //var option =$('input[name=option]:checked').val();
        
       if (keyword.length >= min_length) {
           $.ajax({
               url: 'category1autofill.php',
               type: 'POST',
               data: {keyword:keyword},
               success:function(data){
                   $('#categorylist1').show();
                   $('#categorylist1').html(data);
               }
           });
       } else {
           $('#categorylist1').hide();
       }
   }
   
   // set_item : this function will be executed when we select an item
2. 
   function set_item1(item) {
       // change input value
    
       $('#category1').val(item);
       // hide proposition list
       $('#categorylist1').hide();
   }
   

I want to store the id $rs['id'] or the id of the selected record  in afield so that I can use this id instead of name so as to save the record