I recently have had some similar problems when including jQuery into my wordpress theme. The trouble was being caused by a wordpress plugin that added some javascript code to the head, and it seemed to make jQuery stop working, altough I could see it with firebug, as you.
If you have some other JS code, try commenting it and see if that happens... On Mar 25, 12:33 pm, nacnez <[EMAIL PROTECTED]> wrote: > I have just started learning jquery on the job. I am working on > existing application which uses jquery 1.2.1. I wanted to use 1.2.3 > for getting better performance. When I do the substitution and load my > page, I get the following errors > > jQuery(document).ready is not a function > > jQuery(document).triggerHandler is not a function > > I am not sure why these are caused. And both these are very > fundamental stuff. When I compared 1.2.1 and 1.2.3 versions, the > 1.2.1's ready function does not have a call to triggerHandler where as > 1.2.3's has. Again I am not sure exactly why the addition and why that > should cause a problem. > > I commented out the triggerHandler call in ready function of 1.2.3 and > tried out to see if that works. Nope it does not. > > As suggested by Karl Swedberg, I checked whether the jQuery 1.2.3 file > is accessible through firebug without getting 404. That does happen, > but my issue persists. > > Please help me out regarding the same. I am sure I am making some > silly mistake. > > Thanks, > nacnez