Right column falls below main area

Hi can anyone see why the right column falls below the main area on this page? I have tried the html validator and removed a couple of orphan divs but it only moved the column form the left side to the right.

The page is found here: (the column is titled Employment USA Visas).

http://www.solutionsinlaw.co.uk/h_1b_visa.htm

I appreciate your time,

Thank you,

the div with id content should be floated left in order for you to achieve that, but you have bigger problems as that will not be easily fixed by just adding a float.

you have your menu which should be full width inside the div content you should move your menu out of there before you make that change, and also other changes maybe needed