var pos1; // variable for posting information
function loadXMLPosDoc1(url,posData) {
    // branch for native XMLHttpRequest object
    
    if (window.XMLHttpRequest) {
        pos1 = new XMLHttpRequest();
        pos1.onreadystatechange = processPosChange;
        pos1.open("POST", url, false);
		pos1.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
        pos1.send(posData);
    // branch for IE/Windows ActiveX version
    } else if (window.ActiveXObject) {
        pos1 = new ActiveXObject("Microsoft.XMLHTTP");
        if (pos1) {
            pos1.onreadystatechange = processPosChange;
            pos1.open("POST", url, false);
			pos1.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
            pos1.send(posData);
        }
    }
}

function grabPosXML1 (tagName) {
return pos1.responseXML.documentElement.getElementsByTagName(tagName)[0].childNodes[0].nodeValue;
}

function processPosChange() {
    // page loaded "complete"
    if (pos1.readyState == 4) {
        // page is "OK"
        if (pos1.status == 200) {
			if ( grabPosXML1("posStatus") == 'NOTOK' ) { 
				alert('Existen problemas para enviar el mail. Intente nuevamente mas tarde');
			}
		}
	}
}