function check() {
	acc	=	document.getElementById('account');
	psw	=	document.getElementById('password');
	vc	=	document.getElementById('vcode');
	if(acc.value == "") {
		alert("Account can not be empty");
		acc.focus();
		return false;
	}
	if(psw.value == "") {
		alert("Password can not be empty");
		psw.focus();
		return false;
	}
	if(vc.value == "") {
		alert("Verification can not be empty");
		vc.focus();
		return false;
	}
}