function logincheck()
{
	var objname = document.getElementById( "loginname" );
	var objpsw = document.getElementById( "password" );

	if ( objname.value == "" )
	{
		alert("对不起，您没有输入用户名");
		objname.focus();
		return false;
	}

	if ( objpsw.value == "" )
	{
		alert("对不起，您没有输入密码");
		objpsw.focus();
		return false;
	}

	return true;
}