"petemuir" wrote : Do the eventsQueue and requestDelay attributes not help? From what I've seen they should both be set by default... I've not set either of these myself. My understanding, as well, was that they were set by default. anonymous wrote : requestDelay Delay ( in ms. ) for send ajax request on JavaScript event. In conjunction with events queue can reduce number of requests on keyboard or mouse move events. | | eventsQueue Name of requests queue to avoid send next request before complete other from same event. Can be used to reduce number of requests of frequently events ( key press, mouse move etc ). The other interesting one is: anonymous wrote : ignoreDupResponses If true, unfinished request will be aborted on new event I'll try the a4j forums, see if they have any ideas. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4041527#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...