How To Remove Session Variable When Closing Popup Window

May 31, 2010

I have a popup window where i store an a arraylist in sessionvariable, when clicking on closebutton (the X in the right top corner) or the cmd input button in the form i want to remove the sessionvariable containing my arraylist. How can i do this?

The popup window is currently closed by a javascript:

function cmdClose_onclick() {

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