.allwidth{float:left;width:100%;background: url(pro_line_0.gif) repeat-x;}
.nav {height:35px; background: url(pro_line_0.gif) repeat-x; position:relative; font-family:arial, verdana, sans-serif; font-size:11px; width:1000px; z-index:500;margin:0 auto;}
.nav .table {display:table; text-align:left;width:auto;}
.nav .select,
.nav .current {margin:0; padding:0; list-style:none; display:table-cell; white-space:nowrap;}
.nav li {margin:0; padding:0; height:auto; float:left;}
.nav .select a {display:block; height:35px; float:left; background: url(pro_line_0.gif); padding:0 20px 0 20px; text-decoration:none; line-height:35px; white-space:nowrap; color:#ddd;}
.nav .current a {display:block; height:35px; float:left; background: url(pro_line_2.gif); padding:0 0 0 15px; text-decoration:none; line-height:35px; white-space:nowrap; color:#fff;}
.nav .current a b {display:block; padding:0 15px 0 15px; background:url(pro_line_2.gif) right top;}
.nav .select a:hover, 
.nav .select li:hover a {background: url(pro_line_1.gif); padding:0 0 0 15px; cursor:pointer; color:#fff;}
.nav .select a:hover b, 
.nav .select li:hover a b {display:block; float:left; padding:0 20px 0 5px; background:url(pro_line_1.gif) right top; cursor:pointer;}
.nav .select_sub {display:none;}
.nav table {border-collapse:collapse; margin:-1px; font-size:1em; width:0; height:0;}
.nav .sub {display:table; margin:0 auto; padding:0; list-style:none;}
.nav .sub_active .current_sub a, 
.nav .sub_active a:hover {background:transparent; color:#f00;}
.nav .select :hover .select_sub, 
.nav .current .show {display:block; position:absolute; width:1000px; top:35px; background:url(back_0.gif); padding:0; z-index:100; left:0; text-align:center;}
.nav .current .show {z-index:10;}
.nav .select :hover .sub li a, 
.nav .current .show .sub li a {display:block; float:left; background:transparent; padding:0 10px 0 10px; margin:0; white-space:nowrap; border:0; color:#444;}
.nav .current .sub li.sub_show a {color:#088; cursor:default; background:url(images/back_1.gif);}
.nav .select :hover .sub li a:hover, 
.nav .current .sub li a:hover {visibility:visible; color:#088; background:url(images/back_1.gif);}