function validateEmail(fieldId) {
	
	var re = /^\w+([\.-]?\w+)*@(((([a-z0-9]{2,})|([a-z0-9][-][a-z0-9]+))[\.][a-z0-9])|([a-z0-9]+[-]?))+[a-z0-9]+\.([a-z]{2}|(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|ru|ua|by|pro|museum))$/i;
	if(re.test(document.getElementById(fieldId).value)) {
		document.getElementById(fieldId).className.replace(" error", "");
		return true;
	}	
	else {
		document.getElementById(fieldId).focus();
		document.getElementById(fieldId).className += " error";
		alert("Ââåäåííûé âàìè Email íåêîððåêòåí!");
		return false;
	}
}