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1 <?xml version="1.0"?> |
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2 <window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul" |
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3 xmlns:html="http://www.w3.org/1999/xhtml" |
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4 onload="run()"> |
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5 |
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6 <tree id="tr" flex="1"> |
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7 <treecols> |
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8 <treecol/> |
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9 </treecols> |
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10 <treechildren> |
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11 <html:optgroup id="group"> |
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12 <html:option id="victim" label="never see this"/> |
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13 </html:optgroup> |
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14 </treechildren> |
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15 </tree> |
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16 |
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17 <script type="text/javascript"><![CDATA[ |
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18 function run() { |
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19 group = document.getElementById("group"); |
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20 tc = document.createElement("treechildren"); |
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21 group.appendChild(tc); |
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22 |
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23 v = document.getElementById("victim"); |
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24 v.parentNode.removeChild(v); |
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25 v = null; |
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26 |
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27 tree = document.getElementById("tr"); |
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28 col = tree.columns[0]; |
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29 alert(tree.view.getItemAtIndex(1, col)); |
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30 } |
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31 ]]></script> |
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32 </window> |