How to trigger Ajax event from client side javascript?

[liza6218]

Hi,

I'm trying to trigger OnChangeAjaxBehavior on an HiddenField (or TextField)
change from client side javascript.

Here is the code in html:

        function change(){
                var change = document.forms[0].changed.value;
                if(change != true) {
                        document.forms[0].changed.value = true;
                }
        }
 
         <input type="hiden" wicket:id="changed"/>

in wicket:

        Form form = new Form("form");
        add(form);

        final HidenField changed= new HidenField ("changed");
        form.add(HidenField);

        final Label label = new Label("selectedValue");
        label.setOutputMarkupId(true);
        form.add(label);

        OnChangeAjaxBehavior onChangeAjaxBehavior = new
OnChangeAjaxBehavior() {
            @Override
            protected void onUpdate(AjaxRequestTarget target) {
                target.addComponent(label);
                ....
            }
        };
        changed.add(onChangeAjaxBehavior);


Any help will be very much appreciated. 

- Lisa
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