Roll over a question mark:
?Try adjusting the browser window so the links in the paragraphs below are as close to the right side of the window as possible. Roll over a link in the paragraphs below. This demonstrates how the tool tip will flip horizontally depending upon the space between the tool tip and the right side of the window. Don't worry the script also accounts for the custom widths.
Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat. Ut Tip With Caption enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat.
Duis autem vel eum iriure dolor in hendrerit in vulputate velit esse molestie consequat, vel illum dolore eu Tip No Caption feugiat nulla facilisis at vero eros et accumsan et iusto odio dignissim qui blandit praesent luptatum zzril augue duis dolore te feugait nulla facilisi. Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut No Specified Width et dolore magna aliquam erat volutpat.
The link below demonstrates a tool tip on a text link that allows for the link to accommodate an additional URL (using a query string). So that a link will functions as expect if clicked. Notice the cursor change.