function validate( x )
{
	if( document.forms[x].email.value == "" )
	{
		alert( "Please type your email and try again." ); 
		document.forms[x].email.focus();
		return false;
	}
	else if( document.forms[x].email.value.indexOf("@") < 0 || document.forms[x].email.value.indexOf(".") < 0 )
	{
		alert( "Please make sure to enter a valid email address." ); 
		document.forms[x].email.focus();
		return false;
	}
	else
	{
		document.forms[x].submit();
		return true;
	}
}