Current taxes are indicated in the right hand column after clicking "View Details". Most likely, these will not be the taxes any new owner pays for the property. In Michigan, property taxes can "pop up" to current levels due to Proposition A.
The website above contains a 2008 property tax estimator. (may not work for short sales or foreclosures) Make sure you enter the correct school district. This should give you an approximation online. You could also contact the city Clerk or Assessors office for 2009 information.
If you are not under obligation or contract with a real estate agent, I suggest interviewing at least 3 agents and inquiring about Buyer Agency. If you need more information about this I can email you sample documents