.gray_l_sl {background: url(../images/gray_dot.gif) 0 0 repeat-y}
    .gray_r_sl {background: url(../images/gray_dot.gif) 100% 0 repeat-y}
    
    .gray_t {background: url(../images/gray_dot.gif) 0 0 repeat-x;}
    .gray_b {background:  #ffffff url(../images/gray_dot.gif) 0 100% repeat-x}
    .gray_b_shadow {background: url(../images/gray_dot_bt.gif) 0 100% repeat-x}
    .gray_l {background: url(../images/gray_l.gif) 0 0 repeat-y}
    .gray_r {background: url(../images/gray_r.gif) 100% 0 repeat-y}
    .gray_tl {background: url(../images/gray_tl.gif) 0 0 no-repeat;}
    .gray_tr {background: url(../images/gray_tr.gif) 100% 0 no-repeat; padding:0px;}
    .gray_bl {background: url(../images/gray_bl.gif) 0 100% no-repeat; color:#000000; font-size: 14px;}
    .gray_br {background: url(../images/gray_br.gif) 100% 100% no-repeat}
    
    .gray_bl_shadow { background: url(../images/gray_bl_s.gif) 0 100% no-repeat; color:#000000; font-size: 14px;}
    .gray_br_shadow {background: url(../images/gray_br_s.gif) 100% 100% no-repeat}
    .box1_top{background: url(../images/top1.jpg) 0 0 no-repeat}
    .box1_bt{background: url(../images/bottom1.jpg) 0 100% no-repeat}  
    .box2_top{background: url(../images/RegForm_bg-top2.jpg) 0 0 no-repeat}
    .box2_bt{background: url(../images/RegForm_bg-bottom2.jpg) 0 100% no-repeat}