function subscribe()
{
	var oForm = document.mainForm;
	if(isBlankText(oForm.name.value)) {
		alert("Va rugam introduceti numele dvs");
		oForm.name.focus();
		return;
	}	
	if(isBlankText(oForm.email.value)) {
		alert("Va rugam introduceti e-mailul dvs");
		oForm.email.focus();
		return;
	}
	if(!isEmail(oForm.email.value)) {
		alert("Va rugam introduceti un e-mail valid");
		oForm.email.focus();
		return;		
	}
	oForm.action = "subscribe.php";
	oForm.submit();
}

function unsubscribe()
{
	var oForm = document.mainForm;
	if(isBlankText(oForm.remail.value)) {
		alert("Va rugam introduceti e-mailul dvs");
		oForm.remail.focus();
		return;
	}
	if(!isEmail(oForm.remail.value)) {
		alert("Va rugam introduceti un e-mail valid");
		oForm.remail.focus();
		return;		
	}
	oForm.action = "unsubscribe.php";
	oForm.submit();
}