Generating Portal Events with JavaScript

[Ra...@tegis.de]

Hello,

I am working on a Portal used to display geographic maps. There shoud be a 
possibility that the user defines the rectange by dragging the mouse and 
the portal should display the defined area in a new map. To solve this 
problem, I need to pass the defined rectangle as a parameter of a portal 
event.

The question I have is 

1. Is there a possibility to generate portal events using JavaScript?
It is possible to define a event like 
<cl:link path="map/bounds" value="10;20;100;100" coplet="my-map-1">
but I would like to write something like
<cl:link path="map/bounds" value="javascript:getBounds()" 
coplet="my-map-1">

2. Is there a possibilty to trigger a event using JavaScript
In this case I would store the bound in a hidden field and trigger the 
event after the dragging has finished.

Any hints are wellcome.

Thanks

Ralf Petersilka

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