// JavaScript Document

function getObj(id) {
	return document.getElementById(id);}

function addEvents() {
	if(getObj('vote_submit').addEventListener) {
		getObj('vote_submit').addEventListener('click',addVote,false);}
	if(getObj('vote_submit').attachEvent) {
		getObj('vote_submit').attachEvent('onclick',addVote);}}

function addVote() {
	for(var i=1;i<5;i++) {
		if(getObj('vote'+i).checked) {
			submitVote(i);
			break;}}}

function submitVote(vote) {
	var url = "http://waterfalls.jacobemerick.com/php/poll.php?vote="+escape(vote)+"&sid="+Math.random();
	try {
		xmlHttp=new XMLHttpRequest();}
	catch(e) {
		try {
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");}
		catch(e) {
			try {
				xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");}
			catch(e) {
				alert("Your browser does not support AJAX. We cannot submit your vote.");
				return false;}}}
	xmlHttp.onreadystatechange = function() {
		if(xmlHttp.readyState==4) {
			data = xmlHttp.responseText;
			if(data=='Error 1') {
				alert("You didn't vote correctly. Please try again.");}
			else if(data=='Error 2') {
				alert("There's a problem with cookies on your browser. Please try again.");}
			else if(data=='Error 3') {
				alert("There's a problem with the poller. Please try again later.");}
			else {
				getObj('poll_span').innerHTML = data;}}}
	xmlHttp.open('get',url,true);
	xmlHttp.send(null);
	return true;}

if(document.addEventListener) {
	document.addEventListener("DOMContentLoaded",addEvents,false);}
else {
	if (document.all && !window.opera){
		document.write('<script type="text/javascript" id="contentloadtag" defer="defer" src="javascript:void(0)"><\/script>');
		var contentloadtag=getObj("contentloadtag");
		contentloadtag.onreadystatechange=function() {
			if (this.readyState=="complete") {
				addEvents();}}}}