pfSense

			<td><a <a href="#" onclick="javascript:getURL('diag_logs_filter.php?getrulenum=<?php echo "{$filterent['rulenum']},{$filterent['tracker']},{$filterent['act']}"; ?>', outputrule);" 

			role="button" data-toggle="popover" data-trigger="hover"

<script>

if (typeof getURL == 'undefined') {

	getURL = function(url, callback) {

		if (!url)

			throw 'No URL for getURL';

		try {

			if (typeof callback.operationComplete == 'function')

				callback = callback.operationComplete;

		} catch (e) {}

			if (typeof callback != 'function')

				throw 'No callback function for getURL';

		var http_request = null;

		if (typeof XMLHttpRequest != 'undefined') {

		    http_request = new XMLHttpRequest();

		}

		else if (typeof ActiveXObject != 'undefined') {

			try {

				http_request = new ActiveXObject('Msxml2.XMLHTTP');

			} catch (e) {

				try {

					http_request = new ActiveXObject('Microsoft.XMLHTTP');

				} catch (e) {}

			}

		}

		if (!http_request)

			throw 'Both getURL and XMLHttpRequest are undefined';

		http_request.onreadystatechange = function() {

			if (http_request.readyState == 4) {

				callback( { success : true,

				  content : http_request.responseText,

				  contentType : http_request.getResponseHeader("Content-Type") } );

			}

		};

		http_request.open('GET', url, true);

		http_request.send(null);

	};

}

function outputrule(req) {

	alert(req.content);

}

</script>