// JavaScript Document for normal user register
function checkUser(userId){
	try{
		var userObj = document.getElementById(userId);
		var url = "http://www.myday.com.tw/newmyday/member/checkUser.php?userName=" +escape(document.reg1form.email.value);
		xmlHttp.open("GET", url, true);
		xmlHttp.onreadystatechange = checkUserOk;
		xmlHttp.send(null);	
	}catch(exception){}	
}
function checkUserOk(){
	var alertObj = document.getElementById("reg_alert");
	if (xmlHttp.readyState == 4) {
		try{
			var response = xmlHttp.responseText;
			
			if(response == "Err_100"){
				alertObj.innerHTML="<img src='http://myday.com.tw/newmyday/images/check_error.gif'><font color=MediumVioletRed >對不起,此帳號已存在！</font>";
				document.reg1form.email.value='';
			}else if(response == "Err_102"){
				alertObj.innerHTML="<img src='http://myday.com.tw/newmyday/images/check_right.gif'><font color=LimeGreen>恭喜！此帳號可以使用！</font>";
			}else if(response == "Err_000"){
				alertObj.innerHTML="<img src='http://myday.com.tw/newmyday/images/check_error.gif'><font color=MediumVioletRed >對不起！請您使用正確EMAIL做帳號！</font>";
				document.reg1form.email.value='';
			}else if(response == "Err_103"){
				alertObj.innerHTML='<font color=#FF0000>*必要欄位</font>';
			}
		}catch(exception){}
	}	
	else if(xmlHttp.readyState == 1||xmlHttp.readyState == 2||xmlHttp.readyState == 3)
	{
		alertObj.innerHTML="<font color=#FF0000>查詢中...</font>";
	}
}