How to make recursive function for sitetree

I have a table in the db which contains the page names. Each page has an ID, subpages have a parentID that is the same as the PageID and there is a sort order.
What I would like to create is a site tree layout where I can add functionalities to add pages, modify order. In fact what I have in mind is something like this:
SITE EXPLORER
categories
article
edit category
items
order
www<sitename>.
[order]
Maincat 1
[+] [-][move]
[+][list]
[edit]
[+] [change]
Maincat 2
[+] [-][move]
[+][list]
[edit]
[+] [change]
[order]
 subcat 1
[+] [-][move]
[+][list]
[edit]
[+] [change]
 subcat 2
[+] [-][move]
[+][list]
[edit]
[+] [change]
Maincat 3
[+] [-][move]
[+][list]
[edit]
[+] [change]
[order]
 subcat 3
[+] [-][move]
[+][list]
[edit]
[+] [change]
 subcat 3.1
[+] [-][move]
[+][list]
[edit]
[+] [change]
 subcat 4
[+] [-][move]
[+][list]
[edit]
[+] [change]
 subcat 5
[+] [-][move]
[+][list]
[edit]
[+] [change]
Maincat 4
[+] [-][move]
[+][list]
[edit]
[+] [change]
So the column Site explorer has to be created dynamically. I don't know in advanced how deep the structure goes.
Any good ideas??
Bianca

Recursion then is exactly what you need.
I assume that your top level does not have any value in parentID, so that is where to start. I would do somethign like this.
<cfquery nam="parents">
WHERE parentid = ''
</cfquery>
<cfloop query="parents">
 <cfset buldLink(parent.text, parent.id) />
</cfloop>
<cffunction name="buildLink">
 <cfargument name="text" />
 <cfargument name="id" />
 
 
 
 <cfiquery name="children">
 WHERE parentid = #arguments.id# // Use cfqueryparam
 </cfquery>
 <cfif children.recordcount>
 <cfloop query="children">
 <cfset buildLink(children.text, children.id) />
 </cfloop>
 </cfif>
</cffunction>
Message was edited by: 12Robots Oops accidentally posted before I was done.

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