function validate_form ()
{
    valid = true;

    if ( document.recommend.name.value == "" )
    {
        alert ( "Please provide your Name" );
        valid = false;
    }
	
	else if ( document.recommend.friend_name.value == "" )
    {
        alert ( "Please provide your Friends Name" );
        valid = false;
    }
			
	else if ( document.recommend.friend_email.value == "" )
    {
        alert ( "Please provide your Friends Email Address" );
        valid = false;
    }
		
    return valid;
}