Error

Have used jquery and jmpopups on the page www.futurevalue.se. (See the images in bottom of the page.) This gives error in some browsers. It seems to work properly for homeusers but gives error when the client sits in a "bigger" company. Have skipped the ajaxscript on a testpage: www.futurevalue.se/tester but this gives the same error. Any idea whats wrong? Greatful for any help in this matter.