Jquery Ui Combobox and onchange on all and setval -

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i have web project many selects programmed chained selects. want turn them comboboxes , have 2 main issues. how make onchange of select transfered automatically onchange of combobox , when have set value operation given select transfered combobox , operations wark without extrea recoding...

you can see this may adding change event http://jsfiddle.net/mhameen/jbqkp/


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