function checkMail(str) {

	var regQuery = "^[a-zA-z_0-9]+@[a-zA-Z_0-9]+[.][a-zA-Z_0-9]{2,}";
 	var regExp = new RegExp(regQuery, "i");
 	
 	return str.match(regExp);
}

function setSubscribe() {
	
	var emailObject = document.getElementById('email').value;
	
	if(emailObject == '') {
		alert('Ââåäèòå email.');
		return false;
	}
	
	if(!checkMail(emailObject)) {
		alert('E-mail óêàçàí íå âåðíî!');
		return false;
	}

		window.open('about:blank','suscribe_result','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,height=300 ,width=300');
		document.getElementById("subscribe_f").submit();

}