function mouseUp(row)
{
   var cells = row.cells;
   if (!cells) return;
   oldCellColor = cells[0].style.backgroundColor;
   for (var i=0;i<cells.length;i++)
   {
      cells[i].style.backgroundColor='#FDE4E4';
   }
}

function mouseDown(row)
{
   var cells = row.cells;
   if (!cells) return;
   for (var i=0;i<cells.length;i++)
   {
      cells[i].style.backgroundColor=oldCellColor;
   }
}