// AJAX Hello World Demo http://www.hackorama.com/ajax

// Make a POST to the server 
// and pass on any data from browser
// via the XMLHTTPRequest

function talktoServer(fucker){
	var req = newXMLHttpRequest();
	//register the callback handler function
  	var callbackHandler = getReadyStateHandler(req, updateMsgOnBrowser);
  	req.onreadystatechange = callbackHandler;
  	req.open("POST", "digg-it.php", true);
  	req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
  	//get the value from the text input element and send it to server
  	var diggid = document.getElementById(fucker);
  	var diggid_value = diggid.value;
  	req.send("did="+diggid_value);
}

// This is the callback functions that gets called
// for the response from the server with the XML data

function updateMsgOnBrowser(testXML) 
{
	var diggs = testXML.getElementsByTagName("diggs")[0];
	var diggs_value = diggs.firstChild.nodeValue;

	var etime = testXML.getElementsByTagName("etime")[0];
	var etime_value = etime.firstChild.nodeValue;	
	
	var msg_display = document.getElementById("postit-"+etime_value);

	if(diggs_value == -1)
		{alert('You have dugg this news before\nWe dont encourage repeated diggs\n\n(>_<") Please do not cheat.');}
	else
		{msg_display.innerHTML = diggs_value;}

	var dugg_display = document.getElementById("dugg-"+etime_value);
	dugg_display.innerHTML = "";
}


//the following two functions are helper infrastructure to 
//craete a XMLHTTPRequest and register a listner callback function

function newXMLHttpRequest() {
	var xmlreq = false;
	if (window.XMLHttpRequest) {
		xmlreq = new XMLHttpRequest();
	} else if (window.ActiveXObject) {
    		// Try ActiveX
		try { 
			xmlreq = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e1) { 
			// first method failed 
			try {
				xmlreq = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e2) {
				 // both methods failed 
			} 
		}
 	}
   	return xmlreq;
} 

function getReadyStateHandler(req, responseXmlHandler) {
	return function () {
	if (req.readyState == 4) {
		if (req.status == 200) {
        		responseXmlHandler(req.responseXML);
		} else {
			var hellomsg = document.getElementById("hellomsg");
			hellomsg.innerHTML = "ERROR: "+ req.status;
      		}
    	}
 	}
}