td.b_o  { background-image:url(images/button_o.gif); background-repeat:repeat-x }
td.b_u  { background-image:url(images/button_u.gif); background-repeat:repeat-x }
td.b_m  { background-image:url(images/button_mi.gif); background-repeat:repeat-x }
td.b_l  { background-image:url(images/button_l.gif); background-repeat:repeat-y }
td.b_sm { background-image:url(images/button_sm.gif); background-repeat:repeat-y }
td.b_r  { background-image:url(images/button_r.gif); background-repeat:repeat-y }
td.b_lo { background-image:url(images/button_lo.gif); background-repeat:no-repeat }
td.b_so { background-image:url(images/button_so.gif); background-repeat:no-repeat }
td.b_ro { background-image:url(images/button_ro.gif); background-repeat:no-repeat }
td.b_lm { background-image:url(images/button_lm.gif); background-repeat:no-repeat }
td.b_sl { background-image:url(images/button_sl.gif); background-repeat:no-repeat }
td.b_sx { background-image:url(images/button_sx.gif); background-repeat:no-repeat }
td.b_st { background-image:url(images/button_st.gif); background-repeat:no-repeat }
td.b_rm { background-image:url(images/button_rm.gif); background-repeat:no-repeat }
td.b_lu { background-image:url(images/button_lu.gif); background-repeat:no-repeat }
td.b_su { background-image:url(images/button_su.gif); background-repeat:no-repeat }
td.b_ru { background-image:url(images/button_ru.gif); background-repeat:no-repeat }
td.b_t  { text-align:center ; font-size:larger ; font-weight:bold ; background-color:#ececff }
td.b    { background-color:#ececff }
a.t     { font-weight:bold }
input   { color:blue }
input.b { font-weight:bold }