[DotNetDevelopment] Auto Open Cascading Dropdown Once Loaded

[deano]

Hello,
          I have an Auto Parts Catalog where I use Cascading Dropdowns
for the Year, Make, Model, Engine, etc...
The main complaint I have is that users must click each dropdown
twice.  Once to select it to open, then again to select the actual
entry.  Is there a way to force the successive dropdown to
automatically open once it is loaded so the user does not have to
click just to open?
Thanks, Dean