function validate_form ( )
{

	valid = true;

	if ( ( document.petition.realname.value == "" )
	|| ( document.petition.email.value == "" ) 
	|| ( document.petition.city.value == "" )
	|| ( document.petition.state.value == "" )
	|| ( document.petition.subject.value == "" ) )
	{
		alert ( "Please fill in all required fields!" );
		valid = false;
	}

	return valid;

}