if (typeof XMLHttpRequest == "undefined" ) {
    // Provide the XMLHttpRequest class for IE 5.x-6.x:
    XMLHttpRequest = function() {
	try { return new ActiveXObject("Microsoft.XMLHTTP") } catch(e) {}
	try { return new ActiveXObject("Msxml2.XMLHTTP.6.0") } catch(e) {}
	try { return new ActiveXObject("Msxml2.XMLHTTP.3.0") } catch(e) {}
	try { return new ActiveXObject("Msxml2.XMLHTTP") } catch(e) {}
	throw new Error( "This browser does not support XMLHttpRequest." )
    };
}

function issues_handler() {
    if (this.readyState == 4
	&& this.status == 200) {
	if (this.responseXML != null) {
	    // success!
	    var div = this.responseXML.getElementById('content');
	    var anchors = div.getElementsByTagName("a");
	    var issues = 0;
	    var ac_open = 0;
	    var ac_overdue = 0;
	    for (var i =0; i < anchors.length; i++) {
		var a    = anchors.item(i);
		var href = a.getAttribute("href");
		if (href == "issues/open") {
		    alert("Issues " + a.nextSibling);
		} else if (href == "actions/open") {
		} else if (href == "actions/overdue") {
		}
		//	    pre.appendChild(document.createTextNode(this.responseText));
		//	    div.appendChild(pre);
	    }
	} else {
	}
    }
}

// Display the source of a test
function displayIssues() 
{
    try {
	var xhr = new XMLHttpRequest();
	xhr.onreadystatechange = issues_handler;
	xhr.open("GET", "http://www.w3.org/AudioVideo/TT/tracker/", true);
	xhr.send("");
    } catch (e) {
	// ignore
    }
}

function init() {
    if (!(document.implementation
	  && document.implementation.hasFeature)) {
	// no DOM support :-(
	return;
    }

    displayIssues();
}