I've been working slowly through the same upgrade - I was getting a similar error, and eventually tracked it down to a jquery plugin that also needed updating. So, you might want to check for jquery 1.2.x compatible versions of any plugins you use and see if that helps
rolfsf On Apr 4, 11:25 am, superJ <[EMAIL PROTECTED]> wrote: > Hello all, > > Since the morning I'm trying to complete this supposedly easy > migration but for some reason it gives me a migraine %-|. The first > problem I've encounter was "$ is not a function" when trying to call > (previously worked with jQuery 1.1.3) function (sample call: $ > ('#element_id').slideUp('fast');). I didn't change nothing but the > jQuery source to 1.2.3. > > Did some online search and could not find anything concrete, just > this: "This error is almost always due to an incorrect file name/path > for the core jquery js file in your <script> tag.", that does not > apply in my case as I replace the content of the original file (1.1.3) > with the new content (1.2.3) and left the script tag(s) untouched. > > Also, if I remove from 1.2.3 the following: > if ( window.$ ) var _$ = window.$; > window.$ = jQuery; > > and add at the end of 1.2.3 this: > var $=jQuery; > > it solve some of the "$ is not a function" errors but some of the > plugins are not working in result (like corners, suggest, thick box, > etc.). > > Am I doing something wrong or should I wait for a new version to be > released?