I have two controls with huge nubmer of elements and I move elements from one to another with arrows (built as a single control).
however moving elements from one select to another takes lot of time (i have 10K elements)
i want to know if there is already a best practice or a ready made control that can do that and fast.
thanks
You may ant to have a look at jQuery UI MultiSelect plugin.
What it does is transform a
html select multipleinto exactly what you want.I do not know how well it works with very big lists, though. The nice thing is that it will still work if javascript is disabled.