The following items may have focus by default, but are not tabbed stops. These elements can be set as tabs by setting the tabIndex property to a positive integer. applet, div, frameSet, span, table, etc.
td gets the focus and therefore removes it from the table. I could not find a convenient link, but if the memory is served, IE is the only browser that allows td to have focus without specifying the tabindex attribute for td.
<table onclick="this.focus()" tabindex="1">
In any case, the above works in all the browsers mentioned, but it is not very useful if something in the table should get focus.
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