// JavaScript Document

(function($){
   $.fn.aqFloater = function($o) {
      var _opts = $.extend({
         offsetX: -20, offsetY: -20, attach: '', duration: 50, opacity: '.9'
      }, $o);

      var $obj = this;
      $obj.css({ position: 'absolute', opacity: _opts.opacity });

      var _show = function() {
         var _de = document.documentElement;

         var _y = (_opts.attach.match(/n/) ? 0 
            : (_opts.attach.match(/s/) 
               ? (_de.clientHeight - $obj.outerHeight()-10)
               : Math.round((_de.clientHeight-$obj.height())/2)));

         var _x = (_opts.attach.match(/w/) ? 0
            : (_opts.attach.match(/e/)
               ? (_de.clientWidth - $obj.outerWidth()-10)
               : Math.round((_de.clientWidth-$obj.width())/2)));

         $obj.animate({
            top:  (_y + $(document).scrollTop() + _opts.offsetY) + 'px',
            left: (_x + $(document).scrollLeft() + _opts.offsetX) + 'px'
         },{queue:false, duration:_opts.duration});
      };

      $(window).scroll(_show).resize(_show);

      $(window).trigger('scroll');
   };
})(jQuery);