.th_body{	background: #FFFFFF;}.th_center{	background: #FFFFFF url(body_b.gif) repeat-y;	width: 738px;	margin: 20px auto;}.th_header{	background: url(body_h.gif) no-repeat;	width: 738px;	min-height: 33px;}.th_bottom{	background: #FFFFFF url(body_f.gif) no-repeat;	width: 738px;	height: 54px;}.th_links { 	text-align: center; margin-top: 10px; margin-bottom: 4px; }/* */.th_test_body{	background: url(tstm_b.gif) repeat-y;	width: 423px;	margin: 0px auto;}.th_test_header{	background: url(tstm_h.gif) repeat-y;	width: 423px;	height: 53px}.th_test_bottom{	background: url(tstm_f.gif) repeat-y;	width: 423px;	height: 39px;}