var choice_select = 0;

function GetXmlHttpObject_tracking_referer() { 
	var objXMLHttp=null;
	if (window.XMLHttpRequest) {
		objXMLHttp=new XMLHttpRequest();
	} else if (window.ActiveXObject) {
		objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP");
	}
	return objXMLHttp;
}
function sendmessage() { 
	xmlHttp=GetXmlHttpObject_tracking_referer();
	if (xmlHttp==null) {
		alert ("Browser does not support HTTP Request");
		return;
	} 
	var url="chk_login.php";
	url=url+"?sid="+Math.random();
	xmlHttp.onreadystatechange=stateChanged_sendmessage;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}
function stateChanged_sendmessage() { 
	var result;
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") { 
		result = xmlHttp.responseText;
		if(result == 'login') {
			 openlogin();
		} else {
			submitform();
		}
		return true;
	} 
}
function getname() { 
	xmlHttp=GetXmlHttpObject_tracking_referer();
	if (xmlHttp==null) {
		alert ("Browser does not support HTTP Request");
		return;
	} 
	var url="chk_login.php";
	url=url+"?sid="+Math.random();
	xmlHttp.onreadystatechange=stateChanged_getname;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}
function stateChanged_getname() { 
	var result;
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") { 
		result = xmlHttp.responseText;
		if(result != 'login') {
			 document.form1.name.value=result;
		} 
		return true;
	} 
}
function openlogin() {
	 tb_show('Login','login.php?section=qa&keepThis=true&TB_iframe=true&height=160&width=250', false);
}
function submitform() {
	var message;
	var name;
	
	message = document.form1.message.value;
	name = document.form1.name.value;
	if( !document.form1.choiceid[0].checked && !document.form1.choiceid[1].checked && !document.form1.choiceid[2].checked ) {
		alert('กรุณาเลือกคำตอบ');
	} else {
		if(document.form1.choiceid[0].checked) {
			document.form1.message.value = document.form1.submit_text1.value;
		} else if(document.form1.choiceid[1].checked){ 
			document.form1.message.value = document.form1.submit_text2.value;
		} else if(document.form1.choiceid[2].checked) {
			document.form1.message.value = document.form1.submit_text3.value;
		}
		document.form1.submit();
	}
}