Lets do this follow those yellow wires and see if there are any resettable limits that have a button to pus\hk,Should have a couple around burners also.
How long has it been since furnace quit?The non ressetables should cool down and reset themselves after several minutes.
If you have a paper clip icon on your page you can attach using that link.Or
You can upload the pictures using the tiny pic site .
Here is a link to the site.
Click on Browse , select the file from your folder.then click UPLOAD NOW.
They will give you a quote to enter in the box to verify you are a human.Enter the quote and click UPLOAD NOW
You will see your picture on right side of screen.
Then copy the link URL for email & IM
Paste that link here on the site.