How to hide "New" button from from MOSS 2007 List ??

Following are some of the things you can do to resolve this ..

1# Use Javascript to hide the New button. ex.
var oNewButton = docuement.getElementById('zz14_New0');

2# This can also be done Out of the Box: just allow the management of Content Types, delete the List Content Type 'Document' and hide the New Folder button via the Advanced Settings.

3# Just give "Read" permissions to the users you don't want to see new button , your problem is solved , But when you give read permissions, the users also can't upload documents anymore.

4# set the Toolbar Type to "Summary Toolbar", only upload is allowed by doing this.