function subscription ( selectedtype )
	{
		var emailExpression =  /^[\w\-\.\+]+\@[a-zA-Z0-9\.\-]+\.[a-zA-z0-9]{2,4}$/;
		var formEmailValue = document.getElementById('Email').value;		
		if ( formEmailValue.match(emailExpression) != null )
		{
			document.getElementById('subscriptiontype').value = selectedtype;
			document.forms[1].submit();
		}
		else
		{
			document.getElementById('Email').value = "";
			document.getElementById('Email').focus();
		}
	}
	function submitenter(control, e)
	{
		var emailExpression =  /^[\w\-\.\+]+\@[a-zA-Z0-9\.\-]+\.[a-zA-z0-9]{2,4}$/;
		var keycode;
		var formEmailValue = document.getElementById('Email').value;
		var didwematch = formEmailValue.match(emailExpression);
		
		if (window.event)
		{
			keycode = window.event.keyCode;
		}	
		else if (e) keycode = e.which;
		else return true;
		
		if ((keycode == 13) && (formEmailValue.match(emailExpression) == null))
		{
			return false;
		}
		else if ((keycode == 13) && (formEmailValue.match(emailExpression) != null))
		{
			document.forms[1].submit();
		    return true;
		}
		else
		{
			return true;
		}
	}