.cat table:hover {add-class:hov; }
.cat table:leave {remove-class:hov; }

.at1 table:click => .at1 table {toggle-class:nhov; }
.at2 table:click => .at2 table {toggle-class:nhov; }
.at3 table:click => .at3 table {toggle-class:nhov; }
.at4 table:click => .at4 table {toggle-class:nhov; }

.at1 table:click => .at1 dl dd.cat_prod {toggle-class:vis; }
.at2 table:click => .at2 dl dd.cat_prod {toggle-class:vis; }
.at3 table:click=> .at3 dl dd.cat_prod {toggle-class:vis; }
.at4 table:click => .at4 dl dd.cat_prod {toggle-class:vis; }

.m_cat dl:every-second {add-class:cat_r; }