/* Adapted from VoteItUp */
/* A general script for updating the contents of the vote widget on the fly */
/*
USAGE:
vote (object to update with vote count, object to update with after vote text, post id, user id, base url)
*/

var xmlHttp
var currentobj
var voteobj
var aftervotetext

//Useful for compatibility
function function_exists( function_name ) {
    if (typeof function_name == 'string'){
        return (typeof window[function_name] == 'function');
    } else{
        return (function_name instanceof Function);
    }
}

//Javascript Function for JavaScript to communicate with Server-side scripts
function lg_AJAXrequest(scriptURL) {
	xmlHttp = zGetXmlHttpObject()
	if (xmlHttp == null) {
		alert ("Your browser does not support AJAX!");
		return;
	}
	xmlHttp.onreadystatechange=zvoteChanged;
	xmlHttp.open("GET",scriptURL,true);
	xmlHttp.send(null);
}

function zGetXmlHttpObject() {
	var xmlHttp = null;
	try {
		// Firefox, Opera 8.0+, Safari
		xmlHttp = new XMLHttpRequest();
	}
	catch (e) {
		// Internet Explorer
		try {
			xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e) {
			xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}

function zvoteChanged() {
	if (xmlHttp.readyState==4) {
		var votedisp       = document.getElementById('recommendationsResultValue');
		var votenodisp     = document.getElementById('votes' + currentobj);
		var voteno         = xmlHttp.responseText;

		currentobj_obj = document.getElementById(currentobj);
		voteobj_obj    = document.getElementById(voteobj);

		votedisp.innerHTML = voteno;

		$text = aftervotetext;

		voteobj_obj.innerHTML    = aftervotetext.replace('%d', voteno);
		voteobj_obj.setAttribute('class', 'votelink voted');

	}
}


function vote(obj, votelinkobj, aftervote, postID ,userID, baseURL) {
	currentobj    = obj;
	voteobj       = votelinkobj;
	aftervotetext = aftervote;
	var scripturl = baseURL+"/voteinterface.php?type=vote&tid=total&uid="+userID+"&pid="+postID+"&auth="+Math.random();
	lg_AJAXrequest(scripturl);
}

function sink(obj, votelinkobj, aftervote, postID ,userID, baseURL) {
	currentobj    = obj;
	voteobj       = votelinkobj;
	aftervotetext = aftervote;
	var scripturl = baseURL+"/voteinterface.php?type=sink&tid=total&uid="+userID+"&pid="+postID+"&auth="+Math.random();
	lg_AJAXrequest(scripturl);
}