{*

A generic modal creation dialog template. Parameters

    dialog_id       = the dialog id attribute
    dialog_title    = the dialog title
    dialog_body     = the dialog body. In most cases, this is a creation form

    dialog_ok_label     = The OK button label. Default create
    dialog_cancel_label = The cancel button label. Default create

    form_action        = The form action URL. Form is submitted when OK button is clicked
    form_attributes    = additional form attibutes
    form_enctype    