jQuery.fn.yaselect = function(options) {
  options = options || {};
  return this.each(function(index, select) {
    var jselect = jQuery(select).css({position:'absolute',top:0,left:0,zIndex:1}).addClass('yaselect-select'),
        wrap = jQuery('<div class="yaselect-wrap yaselect-open" tabindex="0"><div class="yaselect-current"></div></div>'),
        anchor = wrap.wrap('<div class="yaselect-anchor" style="position:relative;"></div>').parent(),
        gettext = function() { return jselect.find('option:nth(' + (select.selectedIndex || 0) + ')').text(); },
        curr = wrap.find('.yaselect-current').text(gettext()),
        confirm = function(to_focus_wrap) { jselect.blur(); curr.text(gettext()); jselect.css({top: wrap.outerHeight()}); if (to_focus_wrap) wrap.focus(); };
    if (options.hoverOnly || window.navigator && navigator.userAgent.match(/iphone|ipod|ipad/i)) {
      wrap.toggleClass('yaselect-open yaselect-close');
      return jselect /* becomes invisible and is placed above wrapper to receive screen tap -- triggering native <select> */
        .before(anchor)
        .css({opacity: 0.001})
        .change(function(e) { curr.text(gettext()); })
        .appendTo(anchor);
    }
    jselect
      .before(anchor)
      .keydown(function(e) { if (e.which==13||e.which==32) { e.preventDefault(); confirm(true); } })
      .change(function(e) { curr.text(gettext()); })
      .blur(function(e) { jselect.hide(); wrap.toggleClass('yaselect-open yaselect-close'); })
      .click(function(e) {
        if (jselect.is(':hidden')) {
          wrap.toggleClass('yaselect-open yaselect-close');
          jselect.show();
          setTimeout(function() { jselect.focus(); }); /* avoid trampling confusion with triggered blur */
        } else {
          confirm(true);
        }
      })
      .appendTo(anchor);
    wrap
      .mousedown(function(e) { jselect.click(); })
      .keydown(function(e) { if ([13,32,37,38,39,40].indexOf(e.which) != -1) { e.preventDefault(); jselect.click(); } }); /* preventDefault avoid pagescroll */
    select.size = options.size || 5;
    confirm();
  });
}