[рони]

NikNero,

$(function() {
            var btns = $(".tbl-tdi");
            var blocks = $(".tbl-tds > div").hide();
            btns.on("click", function(event) {
                event.preventDefault();
                var index = btns.index(this);
                var block = blocks.eq(index).slideToggle(1200);
                blocks.not(block).slideUp(300)
            })
        });