function checkEmail() {
	registrationForm.userName.toLowerCase();
    var email = $('userName').value;
    
	if (email.length>0 && registrationForm.userName.isEmail()){		
		RegistrationEmailCheck.checkEmail(email, callback);
    } else {
    	DWRUtil.setValue('result',null);
    }
}
function callback(msg) {
	DWRUtil.setValue('result', msg);
}
function clearResult(){
	DWRUtil.setValue('result',null);
}
//-------------------------------------------------------
function checkClubCode(){
	var clubId = $('clubCode').value;
	var clubCode = $('clubMemberId').value;
	var flag = checkNil(clubId);
	if (clubCode.length >=7 && flag != true){
		RegistrationEmailCheck.checkClubCode(clubId,clubCode,callback2);
	} else{
		DWRUtil.setValue('result2',null);
	}	
}

function callback2(msg) {
	DWRUtil.setValue('result2', msg);
}
function clearResult2(){
	DWRUtil.setValue('result',null);
}