Related Article:Need jQuery UI Tabs-Vertical tabs fuction
That's what the ? character is for. The ? means 'start querystring from this point onwards'. You're happy for the page to refresh/reload when you press a link holding a href value with a '?' in it? If so, carry on.
ANyway, IMO, ? is an ugly character and many of us use mod rewriting to hide it! Well, OK, perhaps not the only reason to rewrite...