Navigator like in Adobe Photoshop

I am looking to build a Flash navigator like the one in photoshop to show details of my paintings. I would like it to work like the navigator in Photoshop, small red box shows the detail in another ‘window’. The idea is to load two images for each painting, one high-rez and one low rez. The low rez would be used for the navigator and the high rez one for the closeup. Is this possible to do? This would have to work using loadMovie so I can use the same swf for multiple paintings. Or if anyone knows another way to build this …