The above link opens a page made available by the Innsbruck tourism office.
Here is some information regarding that page:

• Clicking on the radio button in front of a hotel name shows the price for a single or double room next to the corresponding field.
• To get more information about the hotels (including a map showing the locations of the hotels) click on the link 'Hotel information'.
• When you submit your request you will get a confirmation from the hotel.

If you need to find an address in Innsbruck you can search for it by using the city map.