var j$ = jQuery;

j$(function(){
    // アコーディオン動作
    j$("#sideNavWrap").each(function(){
        j$("h2", this).each(function(index){
            var $this = j$(this);
            if ($this.attr('class') == null || $this.attr('class').indexOf("selected") == -1){
                $this.next().hide();
            }
            $this.click(function(){
                var params = {
                    height: "toggle",
                    opacity: "toggle"
                };
                j$(this).next().animate(params, {duration: "fast"});
                j$(this).next().siblings("ul:visible").animate(params, {duration: "fast"});
                return false;
            });
        });
    });
});