function check_subscribe ()
{
	if (!document.news_email.navn.value) 
	{
		alert('Please type your name');
		return false;
	}
	if (!document.news_email.email.value) 
	{
		alert('Please type your email');
		return false;
	}
	if (validate_email(document.news_email.email.value) == false) 
	{
		alert('The email you entered is not valid');
		return false;
	}
	return true;
}
function check_unsubscribe ()
{
	if (!document.remove_email_news.email.value) 
	{
		alert('Please type your email');
		return false;
	}
	if (validate_email(document.remove_email_news.email.value) == false) 
	{
		alert('The email you entered is not valid');
		return false;
	}
	return true;
}
function validate_email(email) 
{
   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
   if(reg.test(email) == false) 
   {
      return false;
   }
   return true;
}
function submit_subscribe()
{
	if (check_subscribe() == true)
	{
		document.news_email.submit();
	}
}
function submit_unsubscribe()
{
	if (check_unsubscribe() == true)
	{
		document.remove_email_news.submit();
	}
}