[рони]

adm777,

<style type="text/css">
        .cf_resetAll_link {
                display: none;
        }
        .cf_resetAll_link-vis {
                display: inline;
        }

    </style>

<script>
jQuery(function() {
 var resetAll = jQuery(".cf_resetAll_link").toggleClass("cf_resetAll_link-vis", jQuery(".cf_option:nth-child(n+2).cf_sel_opt").length);
 jQuery(".cf_option").on("click", function() {
    resetAll.toggleClass("cf_resetAll_link-vis", jQuery(".cf_option:nth-child(n+2).cf_sel_opt").length)
});
	});
</script>