/*
 * Droppy 0.1.2
 * (c) 2008 Jason Frame (jason@onehackoranother.com)
 */
$.fn.droppy = function(options) {
    
  options = $.extend({speed: 1000}, options || {});
  
  this.each(function() {
    
    var root = this, zIndex = 1000;
    
    function getSubnav(ele) {
      if (ele.nodeName.toLowerCase() == 'li') {
        var subnav = $('> ul', ele);
        return subnav.length ? subnav[0] : null;
      } else {
        return ele;
      }
    }
    
    function getActuator(ele) {
      if (ele.nodeName.toLowerCase() == 'ul') {
        return $(ele).parents('li')[0];
      } else {
        return ele;
      }
    }
    
    function droppyHide() {
      var subnav = getSubnav(this);
      if (!subnav) return;
      $.data(subnav, 'cancelHide', false);
      setTimeout(function() {
        if (!$.data(subnav, 'cancelHide')) {
          $(subnav).hide();
        }
      });
    }
  
    function droppyShow() {
      var subnav = getSubnav(this);
      if (!subnav) return;
      $.data(subnav, 'cancelHide', true);
      $(subnav).css({zIndex: zIndex++}).show();
      if (this.nodeName.toLowerCase() == 'ul') {
        var li = getActuator(this);
        $(li).addClass('selected');
        $('> a', li).addClass('selected');
      }
    }
    
    $('ul, li', this).hover(droppyShow, droppyHide);
    $('li', this).hover(
      function() { $(this).addClass('selected'); $('> a', this).addClass('selected'); },
      function() { $(this).removeClass('selected'); $('> a', this).removeClass('selected'); if (currNav) document.getElementById(currNav).className = 'selected';}
    );
    
  });
  
};