I have deleted the Download folder from dock and when I put it back still deleted..

Hello everybody,

I have deleted the doawnload folder from the dock, but it was also deleted from from the finder, I want then into "Go" from the finder and open the download folder and click the icon and darg it back to the finder favorite, so now I can see it there, however, when I try to drag it back to the dock, both folder in the favorite finder and in teh dock are deleted.

Any suggestion?