Now you could with the CoolPreviews extension for Firefox.
Move your mouse over the CoolPreviews Icon to bring up the Preview Window.
You may move (and resize) the Preview Window inside your web client window.
Preferences
Choose how you would like CoolPreviews to function when in use.
Make any modifications that you desire for the Quick Search function.
Links
Download the CoolPreviews extension (Mozilla Add-ons)
Download the CoolPreviews extension (Extension Homepage)
