it is a shorthand if statement:
it means: if (boolean) then return truevalue else return falsevalue
so ? is then and : is else effectively and the if is implied.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.