/* 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('voteid' + currentobj);
		var votenodisp = document.getElementById('votes' + currentobj);
		var voteno = xmlHttp.responseText;
	
		currentobj_obj = document.getElementById(currentobj);
		voteobj_obj = document.getElementById(voteobj);
		obj.vota = document.getElementById(vota);
	
		obj_vota.style.display=none;
		currentobj_obj.innerHTML = voteno;
		voteobj_obj.innerHTML = aftervotetext;
		if (aftervotetext == '') {
			voteobj_obj.style.display = 'none';
		}
	}
}


function vote(obj, votelinkobj, aftervote, postID ,userID, baseURL) {
	currentobj = obj;
	voteobj = votelinkobj;
	aftervotetext = aftervote;
	var scripturl = baseURL+"/voteinterface.php?type=vote&tid=percent&uid="+userID+"&pid="+postID+"&auth="+Math.random();
	lg_AJAXrequest(scripturl);
	document.getElementById('vota').style.display='none';
	document.getElementById('votathanks').style.display='block';
}

function sink(obj, votelinkobj, aftervote, postID ,userID, baseURL) {
	currentobj = obj;
	voteobj = votelinkobj;
	aftervotetext = aftervote;
	var scripturl = baseURL+"/voteinterface.php?type=sink&tid=percent&uid="+userID+"&pid="+postID+"&auth="+Math.random();
	lg_AJAXrequest(scripturl);
	document.getElementById('vota').style.display='none';
	document.getElementById('votathanks').style.display='block';
}