uncheckable radio buttons

uncheckable_radio.js

    /**
     * Uncheckable radio buttons o_O
     *
     * usage:
     * <input type="radio" name="something" class="uncheckable" />
     */
    $('input[type=radio].uncheckable').on('click', function(event){
        var $this = $(this);
        var was_checked = $this.data('checked');
        $('input[name='+$this.prop('name')+']').data('checked', false);
        $this.data('checked', !was_checked).prop('checked', !was_checked);
    });