Tell me how to implement this with
<form><select><option></option></select></form> <form> <input id="btn1" type="button" value="File1"> <input id="btn2" type="button" value="File2"> <input id="btn3" type="button" value="File3"> <input id="btn4" type="button" value="File4"> </form> <script> $(document).ready(function(){ $('#btn1').click(function(){ $.ajax({ url: "File1.php", cache: false, success: function(html){ $("#container").html(html); } }); }); $('#btn2').click(function(){ $.ajax({ url: "File2.php", cache: false, success: function(html){ $("#container").html(html); } }); }); $('#btn3').click(function(){ $.ajax({ url: "File3.php", cache: false, success: function(html){ $("#container").html(html); } }); }); $('#btn4').click(function(){ $.ajax({ url: "File4.php", cache: false, success: function(html){ $("#container").html(html); } }); }); }); </script>