How do I configure eclipse to autocomplete Css classes/ids in html/php files?

I am developing web applications using eclipse with php etc.

How can I tell eclipse to suggest stuff (autocomp开发者_运维问答lete) while I do something like:

<li class=" <-- here suggest available classes

<li id=" <-- and here the available ids

You might wanna try the Aptana Studio eclipse plugin http://update1.aptana.org/studio/3.2/024747/index.html