var pos; // variable for posting information
function loadXMLPosDoc(url,posData) {
	if (typeof XMLHttpRequest != 'undefined') {
	    pos = new XMLHttpRequest();
	}
	if (!pos) {
    // Internet Explorer 6 und Šlter
    try {
	    pos  = new ActiveXObject("Msxml2.XMLHTTP");
	    } catch(e) {
	        try {
	            pos  = new ActiveXObject("Microsoft.XMLHTTP");
	        } catch(e) {
	            pos  = null;
	        }
	    }
	}
	if (pos) {
		pos.onreadystatechange = processPosChange;
        pos.open("POST", url, false);
		pos.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
        pos.send(posData);
	}
}

function grabPosXML (tagName) {
	//return pos.responseXML.documentElement.getElementsByTagName(tagName)[0].childNodes[0].nodeValue;
	data = pos.responseXML.getElementsByTagName(tagName)[0].firstChild.data;
	return data;
}

function processPosChange() {
    // page loaded "complete"
    /*if (pos.readyState == 4) {
        // page is "OK"
        if (pos.status == 200) {
			if ( grabPosXML("status") == 'NOTOK' ) { 
				alert('There were problems. Please check back in a couple minutes');
			}
		}
	}*/
}