[support] ONCLICK IN LIST BOX

HI FRIENDS,

I am trying to call a javascript function through onclick of a button .I find it not working

pleas tel me how to cal a js function onclick .Here is my coding for button.

$form['keywords']['add'] = array (      '#type' =>'button',      '#value' => ADD,      );

when I saw the view source its coming like a submit button.I don want my form to be submit on this button click.

<input type="submit" name="op" id="edit-nodewords-keywords-add" value="ADD" class="form-submit" />

pleas tel me how to use as just a button for onclick not as submit

button

Regards Ram Prasath

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