var pos; // variable for posting information
	function loadXMLPosDoc(url,posData) {
	    // branch for native XMLHttpRequest object
	    if (window.XMLHttpRequest) {
	    	//alert('Entra a XMLHttpRequest');
	        pos = new XMLHttpRequest();
	        pos.onreadystatechange = processPosChange;
	        pos.open("POST", url, false);
			pos.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	        pos.send(posData);
	    // branch for IE/Windows ActiveX version
	    } else if (window.ActiveXObject) {
	    	//alert('Entra a activeX');
	        pos = new ActiveXObject("Microsoft.XMLHTTP");
	        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;
	}
	
	function processPosChange() {
	    // page loaded "complete"
	    if (pos.readyState == 4) {
	        // page is "OK"
	        if (pos.status == 200) {
				if ( grabPosXML("posStatus") == 'NOTOK' ) { 
					alert('There were problems Sending Email. Please check back in a couple minutes');
				}
			}
		}
	}