Cheng Guangnan reports on a potential issue [1] with the autocompletion/suggestion [2] support offered by both Yahoo UI and Scriptaculous libraries. The problem involves parallel calls - there’s the potential for an initial list of suggestions to be displayed after a subequent list. His screencasts show what’s going on.
Read full story at http://ajaxian.com/archives/autcompletion-issues-with-yahoo-and-scriptaculous-libraries [3].
Maybe you want to try my autocompletion, too, available at http://munich.schwarz-interactive.de/autocomplete.aspx [4].