function checkform(the_form)
{
	var message = 'Внимание! Вы не заполнили обязательное поле!';
	if (typeof(document.forms[the_form].elements) != 'undefined')
	{
		var elts = document.forms[the_form].elements;
		var elts_cnt  = (typeof(elts.length) != 'undefined')
			? elts.length
			: 0;
		if (elts_cnt)
		{
			for (var i = 0; i < elts_cnt; i++)
			{
				if ((elts[i].id)&&(elts[i].value==''))
				{
					cd_cookie = document.cookie;
					cdi = cd_cookie.lastIndexOf("lang=");
					if (cdi>=0)
					{
						if(cd_cookie.substr(cdi + 5, 3) == 'eng')
							message = 'Please fill in the required fields!';
					}

					alert(message);
					elts[i].focus();
					return false;
				}
			}
		}
	}
	return true;
}