function dateCheck()
{
  if (document.getElementById('ddDateRange').selectedIndex != 0 && 
        (document.getElementById('txtStartDate').value != "" || 
         document.getElementById('txtEndDate').value != "")  )
  {
    if (confirm('For the dates entered to be used in the search, you must select \"Insert Dates\" from the DropDown list.\n\nDo you wish to continue, using the Date Range currently selected in the DropDown list for your date criteria?')) {
        return true;
    } else {
        return false;
    }
  }
  else
  { return true; }

}