/* 
 * Manipulate option, checkbox, radiobutton selection by jquery
 * $('#element').selected(bool)
 */

$.fn.selected = function(select) {

    if (select == undefined)
        select = true;


    return this.each(function() {
        var t = this.type;

        if (t == 'checkbox' || t == 'radio')
            this.checked = select;
        else if (this.tagName.toLowerCase() == 'option') {
            var $sel = $(this).parent('select');

            if (select && $sel[0] && $sel[0].type == 'select-one') {
                // deselect all other options
                $sel.find('option').selected(false);
            }

            this.selected = select;
        }
    });
};