//Create HTTP request object
var http = false;
if(navigator.appName == "Microsoft Internet Explorer") {
  http = new ActiveXObject("Microsoft.XMLHTTP");
} else {
  http = new XMLHttpRequest();
}

//Set the action


http.onreadystatechange=function() {
	//don't do anything with result
}

function sendAbortRequest(){
	http.open("GET", "/index.cfm?fuseaction=pdle.abort");
	http.send(null);
}

// Send keep-alive every 5 min
setInterval(sendAbortRequest, 300000);