[Zope] Equality test: if sequence-item = document id

[Garry Steedman]

hello all,

i have the following code which works fine:

<dtml-in "PARENTS[0].objectIds('DTML Document')">
<dtml-if expr="_['sequence-item']=='index_html'">
<li><dtml-var sequence-item>
<dtml-else>
</dtml-if>
</dtml-in>

but i would like to replace 'index_html' with the document's id 
variable, something like this:

<dtml-in "PARENTS[0].objectIds('DTML Document')">
<dtml-if expr="_['sequence-item']=='this().id'">
<li><dtml-var sequence-item>
<dtml-else>
</dtml-if>
</dtml-in>

which of course doesn't work, but i'm not sure why or what i need 
instead!

any help much appreciated!

Garry
+-------------------------------------------+
  Garry Steedman      mailto:gs@styrax.com  
  Styrax Associates  http://www.styrax.com/ 

  "The Good Man has no shape."            
+-------------------------------------------+