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def ajax_create(field,
                    value='create',
                    title='Add a new organizaiton',
                    height=100, width=600):
        if not field.type.startswith('reference'):
            raise SyntaxError, "can only be used with a reference field"
        if not hasattr(field.requires,'options'):
            raise SyntaxError, "cannot determine options from field validator"
        key = str(field).replace('.','_')
        if request.get_vars._ajax_add==str(field):
            def update_select(form):
                options = TAG[''](*[OPTION(v,_value=k,_selected=str(form.vars.id)==str(k)) \
                                    for (k,v) in field.requires.options()])
                command = "jQuery('#%s').html('%s');jQuery('#TB_closeWindowButton').click()" \
                    % (key,options.xml().replace("'","\'"))
                response.headers['web2py-component-command'] = command
            table = field._db[field.type[10:]]
            raise HTTP(200,crud.create(table,onaccept=update_select).xml(),**response.headers)
        response.files.append('http://jquery.com/demo/thickbox/thickbox-code/thickbox.js')
        response.files.append('http://jquery.com/demo/thickbox/thickbox-code/thickbox.css')
        return TAG[''](
            A(value,_class='thickbox',_title=title,
               _href='#TB_inline?height=%s&width=%s&inlineId=TB_%s' % (height,width,key)),
            DIV(LOAD(request.controller,request.function,args=request.args,
                     vars=dict(_ajax_add=field),ajax=True),_id='TB_%s' % key,_class='hidden'))

db.define_table('organization',Field('name',notnull=True,unique=True),format='%(name)s')
    db.define_table('person',Field('name'),Field('organization',db.organization))

db.person.organization.comment = ajax_create(db.person.organization,title='Add an Org.')

def index():
        return dict(form=crud.create(db.person,request.args(0)))

...

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