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function post_sender(action_page, parameters) {	var http_request = false;			if(window.XMLHttpRequest) {		http_request = new XMLHttpRequest();	} else if(window.ActiveXObject) {		try {			http_request = new ActiveXObject('Msxml2.XMLHTTP');		} catch(e) {			http_request = new ActiveXObject('Microsoft.XMLHTTP');		}	}		http_request.onreadystatechange = alertContents;    http_request.open('POST', action_page, true);    http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");    http_request.setRequestHeader("Content-length", parameters.length);    http_request.setRequestHeader("Connection", "close");    http_request.send(parameters);        document.getElementById('message_field2').innerHTML = parameters;			 function alertContents() {      if (http_request.readyState == 4) {         if (http_request.status == 200) {            //alert(http_request.responseText);            result = http_request.responseText;                    } else {            alert('There was a problem with the request.');         }     }  }}   function message_send() {      var poststr = document.getElementById("message").value;      document.getElementById('message_field3').innerHTML = poststr;      post_sender('chat_input_messages.php', poststr);}