$(document).ready(function() {   

      $(".chat_btn").click(function() {  

        // validate and process form here  

          

		  var msg = $('input#message').val();
		  var rand = new Date().getTime();
		  	  

		$.ajax({

      type: "POST",

      url: "includes/chatbox_process.php?js",

      data: 'message='+ msg,

      success: function() {

     		$('#chat_box').load('includes/chatbox.php?randnum=' + rand );
			
			//$(':input#message').clearForm();

			//clear form // $('form').clearForm();
			
			$("input#message").attr("value", ""); 

      }

     });

    return false;

	});

});


// refreshes chatbox every 10 seconds

var auto_refresh = setInterval(

	function ()

	{
	
	var rand = new Date().getTime();
	
	$('#chat_box').load('includes/chatbox.php?randnum=' + rand );

	}, 10000);