want use secound time a dialog box

Hi i use today our Jquery UI
but i have a first deficiencies with use this great thinkg :)
i want use dialog box secound time but he doesn't work :( i must
refresh the page and the he is work...
i have a options in some a show profile logout mail etc :) and user
click to close and try to open options panel uff? nothing do...
why i can use dialog box another time?
sorry for my english :)