delete once / all future occurrences from a JavaScript window

I am trying to do something similar to ical delete events you can
delete just the current event or all future occurrences

i am currently using a JavaScript window called modalbox which let me
write pure html into it

1) is there a way to create a delete form manually ? what i have in
mind is 2 different params that i'll process in my controller
according to the button that was clicked just like i already have in
my edit page (which is working)

2) any other idea how this functionality can be accomplished?

here's my code:
<%- @events.each do |event|%>
    <tr class=<%= cycle('odd', 'even')%> >
    <td><%=h %></td>
  <td><%=h event.sequence %></td>
  <td><%=h event.start_date.strftime(" %b %d %Y %H:%M") %></td>
  <td><%=h event.end_date.strftime("%b %d %Y %H:%M") %></td>
  <td><%=h event.instructor.full_name %></td>
      <td><%=link_to 'Show', object_url(event) %></td>
      <td><%=link_to 'Edit', edit_object_url(event) %></td>
      <td><%#=link_to 'Destroy', object_url(event), :method
=> :delete %>

  <%= link_to_function "delete",
   "'<h5>You are about to change a recurring class.<p> Do
you want to change only this occurrence of the class, or this and all
future occurrences?</p></h5> <input name=\"commit\" type=\"submit\"
value=\"Only This Class\" /> <input name=\"change_all_future\" type=
\"submit\" value=\"All Future Classes\"/> <input type=\"button\"/
value=\"Cancel\" onclick=\"Modalbox.hide()\"></form>', {title:
'Changing a recurring class'});" %>
  <% end %>