Menu-tool bar in PUC

I would like to customize my PUC, Menu-tool bar in PUC,

i followed the link ,
http://www.prashantraju.com/2010/03/...onsole-part-3/ .

changed main_toolbar.xul file accordingly but Changes are not shown up in PUC ,

I restarted the server and still modified settings are not shown up.Can some one help to know do am i missing any other files that needed to be changed .


<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet href="chrome://global/skin/" type="text/css"?>
<window width="400" height="275" title="Placeholder"
xmlns="http://www.pentaho.org/there.is.only.xul" xmlns:pen="http://www.pentaho.org/2008/xul" onload="mainToolbarHandler.init()">

<toolbar id="mainToolbar">
<toolbarspacer width="10"/>
<toolbarbutton id="openButton" image="images/open_32.png" onclick="mainToolbarHandler.openClicked()" tooltiptext="${openEllipsis}"/>
<toolbarspacer width="20"/>
<toolbarbutton id="editContentButton" image="images/editContent_32.png" disabledimage="images/editContent_32_disabled.png" onclick="mainToolbarHandler.editContentClicked()" tooltiptext="${editContent}" disabled="true" type="toggle" pen:visible="true"/>
<toolbarspacer id="editButtonSpacer" width="20" pen:visible="true"/>
<toolbarspacer width="20"/>
<toolbarbutton id="saveButton" image="images/save_32.png" disabledimage="images/save_32_disabled.png" onclick="mainToolbarHandler.saveClicked()" tooltiptext="${save}" disabled="true"/>
<toolbarbutton id="saveAsButton" image="images/saveAs_32.png" disabledimage="images/saveAs_32_disabled.png" onclick="mainToolbarHandler.saveAsClicked()" tooltiptext="${saveAs}" disabled="true"/>
<toolbarspacer width="20"/>
<toolbarbutton id="workspaceButton" image="images/workspace_32.png" type="toggle" onclick="mainToolbarHandler.workspaceClicked()" tooltiptext="${workspace}"/>
<toolbarbutton id="showBrowserButton" image="images/browser_hide_32.png" downimage="images/browser_show_32.png" type="toggle" onclick="mainToolbarHandler.showBrowserClicked()" tooltiptext="${toggleSolutionBrowser}"/>
<toolbarspacer width="20"/>
<toolbarbutton id="printButton" image="images/print_32.png" disabledimage="images/print_32_disabled.png" onclick="mainToolbarHandler.printClicked()" tooltiptext="${print}" pen:visible="false"/>
</toolbar>

</window>



i m using pentaho 4.5 GA.
windows -7


Thanks,
Surya