#2753 Set Hflex="min" to listheader fail, FF5 IE6,7

[jimmy shiau]

<zk>
<zscript><![CDATA[
String[] msgs2 = { "Application Developer's Perspective",
"Very Long Long Long Long Long Long Long Long Long Long Text",
"Server+client Fusion architecture",
"Execution Flow of Serving an Ajax Request",
"Very Long Long Long Long Long Long Long Long Long Long Text",
"When to Send an Ajax Request" };
]]></zscript>
<listbox width="800px">
<listhead>
<listheader label="Product" width="120px" />
<listheader label="Description" hflex="min" />
<listheader label="Comment" hflex="1" />
</listhead>
<listitem>
<listcell>
<label value="${msgs2[0]}"></label>
</listcell>
<listcell>
<label value="${msgs2[1]}"></label>
</listcell>
<listcell>
<label value="${msgs2[2]}"></label>
</listcell>
</listitem>
<listitem>
<listcell>
<label value="${msgs2[3]}"></label>
</listcell>
<listcell>
<label value="${msgs2[4]}"></label>
</listcell>
<listcell>
<label value="${msgs2[5]}"></label>
</listcell>
</listitem>
</listbox>
</zk>

[chen asuka]

http://tracker.zkoss.org/browse/ZK-206