<html> 
  <head> 
    <script type="text/javascript" src="js/jquery-1.3.2.js"></script> 
    <script type="text/javascript"> 
        $(document).ready(function(){ 
          $("#multiple").val(["Multiple2", "Multiple3"]); 
      
 
        }); 
    </script> 
  </head> 
  <body> 
    <body> 
       <select id="multiple" multiple="multiple"> 
            <option>Multiple</option> 
            <option>Multiple2</option> 
            <option>Multiple3</option> 
      </select> 
  </body> 
</html> 
 
    
     
     
     
  
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