are ext-core.js ext-all.js compatible?

[superbinary]

for example: i want to use the menu in Ext Core all my website. But only some pages i will need ExtJS(ext-all). is it possible?
thanks.

[mitchellsimoens]

ExtJS is build on top of Core.

[superbinary]

sorry. i mean :Ext:Core and ExtJS. ..

[Condor]

What exactly is the problem? Simply include ext-core in some of your pages and ext-core+ext-all-no-core (or ext-base+ext-all) on the other pages.