/* 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 { xmlHttp = new XMLHttpRequest(); } // Firefox, Opera 8.0+, Safari
	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 );
		
		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=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 );
}