Designing a virtual tour

Hii… i’m currently given a task to desigh a virtual tour for my college… i am planning to build it something like this:

http://virtualtour.uncc.edu/#/?map=UMAP_2011021602395&x=-0.11734024359 369588&y=0.08795220873779161&z=100

the problem is that i’m completely new to flash… i tried making the 2d map using google sketchup but i dont know how to highlight each building when the mouse is rolled over it or display which building it is… i want the virtual tour to be just like the one in the site… pleasseeee help!!