[Zope] How to concatenate two strings

hi all, 1. How to concatenate two strings ? e.g <dtml-var name1 = "Hello"> and <dtml-var name2 = "world"> 2. How to manipulate dtml-var (mathematical operations like +,*,- etc on a dtml-var. 3.Also what to know, what do you mean by zope running behind Apache ? 4.Can Zope and IIS be integrated. One of my friends said inorder to run zope, they have to stop the IIS. Why is this ? --Rajani __________________________________________________ Do You Yahoo!? Send instant messages & get email alerts with Yahoo! Messenger. http://im.yahoo.com/