PLEASE HELP!! JQUERY Drag and drop error in ie

PLEASE HELP!! JQUERY Drag and drop error in ie

I have a jquery drag and drop script that also sets a cookie and then remembers the box locations on return.. the issue i have having is that when i have a javascript code inside one of the boxes then try and move the box it causes IE 6 and 7 to crash.. Firefox works fine.. i have no idea how to fix this issue and have been stumped for days... any ideas or help would be great!!

Site example: http://bt5.awardspace.com/

JS Code: http://bt5.awardspace.com/js/3_17_0_6_3_17_14_15.js