$(document).ready(function() {
    $(".tabs .tab[id^=tab_menu]").click(function() {
        var curMenu=$(this);
        $(".tabs .tab[id^=tab_menu]").removeClass("selected");
        curMenu.addClass("selected");
        var index=curMenu.attr("id").split("tab_menu_")[1];
        $(".curvedContainer .tabcontent").hide();
	var newtab = ".curvedContainer #tab_content_" + index;
        $(newtab).show();
	// trigger an arbitrary event to signal a tab has been changed
	var e = $.Event("keydown", { keyCode: 64 });
	$(newtab).trigger(e);
        // $(".curvedContainer .tabcontent").css("display","none");
        // $(".curvedContainer #tab_content_"+index).css("display","block");
    });
});