function sendAjaxRequest (filename, POST, returnFunction){var xmlHttpObject = false;if (typeof xmlHttpObject != 'undefined'){xmlHttpObject = new XMLHttpRequest();}if (!xmlHttpObject){try{xmlHttpObject = new ActiveXObject("Msxml2.XMLHTTP");}catch(e){try{xmlHttpObject = new ActiveXObject("Microsoft.XMLHTTP");}catch(e){xmlHttpObject = null;}}}if (POST == null){xmlHttpObject.open('GET', filename, true);xmlHttpObject.onreadystatechange = function(){returnResponse(returnFunction)};xmlHttpObject.send(null);}else{xmlHttpObject.open('POST', filename, true);xmlHttpObject.onreadystatechange = function(){returnResponse()};xmlHttpObject.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");xmlHttpObject.send(POST);}function returnResponse (){if (xmlHttpObject.readyState == 4){if (returnFunction != null){returnFunction(xmlHttpObject.responseText);}}}}