function onover(obj)
{
 color = '#ddebf7';
 obj.cells[0].style.backgroundColor = color;
 obj.cells[1].style.backgroundColor = color;
 obj.cells[2].style.backgroundColor = color;
 //obj.cells[3].style.backgroundColor = color;
}
function onout(obj)
{
 obj.cells[0].style.backgroundColor = '';
 obj.cells[1].style.backgroundColor = '';
 obj.cells[2].style.backgroundColor = '';
// obj.cells[3].style.backgroundColor = '';
}