// JavaScript Document
var http_request = false;
   function msgPost() {
      http_request = false;
      if (window.XMLHttpRequest) { // Mozilla, Safari,...
         http_request = new XMLHttpRequest();
         if (http_request.overrideMimeType) {
         	// set type accordingly to anticipated content type
            //http_request.overrideMimeType('text/xml');
            http_request.overrideMimeType('text/html');
         }
      } else if (window.ActiveXObject) { // IE
         try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
         } catch (e) {
            try {
               http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
         }
      }
      if (!http_request) {
         alert('Cannot create XMLHTTP instance');
         return false;
      }
	  var t_name = document.getElementById('name').value;
	  var t_loc = document.getElementById('location').value;
	  var t_msg = document.getElementById('message').value;
	  var url="message_process.php"
	  url=url+"?sid="+Math.random()
	  var parameters = "name=" + escape(encodeURI( t_name )) + "&loc=" + escape(encodeURI( t_loc )) + "&msg=" + escape(encodeURI( t_msg ));
      http_request.onreadystatechange = formUpdate;
      http_request.open('POST', url, 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);
   }

   function formUpdate() {
      if (http_request.readyState == 4) {
         if (http_request.status == 200) {
            //alert(http_request.responseText);
            result = http_request.responseText;
            document.getElementById('msgbox').innerHTML = result;            
         } else {
            alert('There was a problem with the request.');
         }
      }
   }
   function statusBar()
{
	if (http_request.readyState!=4 || http_request.status!=200)
	{
		document.getElementById("status").style.display="block"
	}
	else
	{
		document.getElementById("status").style.display="none"
	}
}