Steps to Reproduce

1. load the zul below

   <progressmeter id="progressmeter" width="1000px" value="0" visible="false" />
   

Actual Result

Javascript error is shown.

Uncaught TypeError: Cannot read property 'animate' of undefined zk.wpd:26835
zul.wgt.Progressmeter.zk.$extends._fixImgWidth._zkf zk.wpd:26835
zul.wgt.Progressmeter.zk.$extends.bind_ zk.wpd:26843
zk.Widget.zk.$extends.bindChildren_ zk.wpd:16551
zk.Widget.zk.$extends.bind_ zk.wpd:16521
zk.Widget.zk.$extends.bind zk.wpd:16484
zk.Widget.zk.$extends.replaceChildHTML_ zk.wpd:16334
zk.Widget.zk.$extends.replaceHTML zk.wpd:16245
mtBL0 zk.wpd:18381
mtBL zk.wpd:18352
zk.copy.zkx zk.wpd:18586
zk.copy.zkmx zk.wpd:18614
(anonymous function) progressmeter.zul:15

Expected Result

no error shows.

Debug Information

This issue doesn't happen when visible="true".
This issue doesn't happen in 7.0.2