Sounds like all you need to do is something like this:
   
    Event.observe($(id), "click", function() { /* put the function here 
*/ });

Just make sure that the object which you're observing exists before you 
call the above line.  Oftentimes, all you need to do is this:

    Event.observe(window, "load", function() {
       Event.observe($(id), "click", function() { /* put the function 
here */ });
    });

which makes sure the element is loaded since the observation doesn't 
begin until the page is completed.  Read the Event section of the API 
for more information ( http://prototypejs.org/api/event ).

 -- Dash --

lsmith wrote:
> Hello,
>
> I want to trigger a "click" event on a tag. I only know the "id" of
> the tag, but it is necessary that the event be triggered from the
> given tag. Its not easily possible to just trigger the same thing
> directly due to how the event is implemented.
>
> regards,
> Lukas
>
>
> >
>
>   

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