/* Main Functions */

function showPoll() {
	ajaxGet('http://www.qualitygamers.com/poll.php?t=1268486112', 'poll', "document.getElementById('pollLoading').style.display='none'");
}

function sendVote(f, elementID) {
	var voteCasted = false;
	for (var i=0; i<f.elements.length; i++) {
		if (f.elements[i].name=='vote' && f.elements[i].checked) {
			voteCasted = true;
		}
	}
	if (voteCasted) {
		document.getElementById('buttons').style.display='none';
		document.getElementById('buttonPressed').style.display='';
		f.voteButton.disabled = true;
		f.resultsButton.disabled = true;
		var xmlHttp = ajaxSubmit(f, 'http://www.qualitygamers.com/poll_vote.php');
		xmlHttp.onreadystatechange=function() {
			if(xmlHttp.readyState==4) {
				document.getElementById('poll').innerHTML = xmlHttp.responseText;
				document.getElementById('pollLoading').style.display='none';
				document.getElementById('poll').display = '';
			}
		}
	} else {
		alert("No choice selected!");
		return false;
	}
}

function showResults() {
	document.getElementById('buttons').style.display='none';
	document.getElementById('buttonPressed').style.display='';
	ajaxGet('http://www.qualitygamers.com/poll_results.php', 'poll', false);
}

/* AJAX Functions */

function ajaxSubmit(f, file) {
	var xmlReq = null;
	var str = getFormValues(f);
	xmlReq = getXML(file, str);
	return xmlReq;
}

function getXML(file, str) {
	var doc = null
	if (typeof window.ActiveXObject != 'undefined' ) {
	   doc = new ActiveXObject("Microsoft.XMLHTTP");
	} else {
	   doc = new XMLHttpRequest();
	}
	doc.open("POST", file, true);
	doc.setRequestHeader("Content-Type","application/x-www-form-urlencoded; charset=UTF-8");
	doc.send(str);
	return doc;
}

function getFormValues(fobj) {
	var str = "";
	var valueArr = null;
	var val = "";
	var cmd = "";
	for(var i=0; i<fobj.elements.length; i++) {
		if (!fobj.elements[i].disabled) {
			switch(fobj.elements[i].type) {
				case "select-one":
					str += fobj.elements[i].name + "=" + fobj.elements[i].options[fobj.elements[i].selectedIndex].value + "&";
					break;
				case "radio":
					if (fobj.elements[i].checked) {
						str += fobj.elements[i].name + "=" + escape(fobj.elements[i].value) + "&";
					}
					break;
				default:
					str += fobj.elements[i].name + "=" + escape(fobj.elements[i].value) + "&";
					break;
			}
		}
	}
	str = str.substr(0, (str.length - 1));
	return str;
}

function ajaxGet(phpScript, outputContainer, evaluate) {
	var xmlHttp;
	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!");
				return false;
			}
		}
	}
	xmlHttp.onreadystatechange=function() {
		if(xmlHttp.readyState==4) {
			document.getElementById(outputContainer).innerHTML=xmlHttp.responseText;
			if (evaluate) {
				eval(evaluate);
			}
		}
	}
	xmlHttp.open("GET", phpScript, true);
	xmlHttp.send(null);
}

function pop(url, width, height, scrollbars) {
	var top = (screen.height/2)-(height/2);
	var left = (screen.width/2)-(width/2);
	window.open(url, "popupWindow", "width="+width+", height="+height+", status=1, toolbar=0, location=0, menubar=0, directories=0, resizable=1, scrollbars="+scrollbars+", top="+top+", left="+left); 
}