When placing a Seam selectDate on a Richfaces tab in a tabpanel the selectDate pop-up calendar is completely or partially hidden (depending on where the control is placed) by the tab when the calendar image is clicked. This does not happen in I.E.
If you change the div.seam-date class in the date.css for the calendar to contain a z-index: 100; , then the selectDate does appear completely visible (on top) when the calendar image is clicked.
I noticed some z-index'ing being used in certain elements of the tab. I'm note sure if this issue should be reported to the Seam forum or Richfaces?