var MyEXT_xmlHttp_post = new XMLHttpRequest();

var MyEXT = {
//init	
	init: function() {},

//main
 	getXmlString: function (doc1){},
	process:function (doc){	}, 
	vote:function(doc){		
		var xmlString = (new XMLSerializer).serializeToString(doc);
		if (MyEXT_xmlHttp_post){
			try{
				MyEXT_xmlHttp_post.open("POST", "http://myServer.com/post.php", true);
				MyEXT_xmlHttp_post.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
				MyEXT_xmlHttp_post.onreadystatechange = MyEXT.handleRequestStateChange2;///###############
				MyEXT_xmlHttp_post.send(xmlString);
				//alert (xmlString);
			} catch (e){
				alert("Sending error :" + e.toString());
			}
		}
		window.close() ;	//alert(xmlString);
	},

	handleRequestStateChange2:function (){	 // function called when the state of the HTTP request changes

		if (MyEXT_xmlHttp_post.readyState == 4) {
			if (MyEXT_xmlHttp_post.status == 200) {
				try{
					var xmlResponse = MyEXT_xmlHttp_post.responseXML;
				//alert (xmlResponse);
				}catch(e){
					alert("Error reading the response: " + e.toString());
				}
			} else	{
				alert("There was a problem retrieving the data:\n" + MyEXT_xmlHttp_post.statusText);
			}
		}
	},
};