/*
 * Droppy 0.1.2
 * (c) 2008 Jason Frame (jason@onehackoranother.com)
 */
jQuery.fn.droppy = function(options) {
  
 options = jQuery.extend({speed: 250, autoWidth: false, overlap: +2}, options || {});
 
 this.each(function() {
  
  var root = this, zIndex = 1000;
  
  function getSubnav(ele) {
   if (ele.nodeName.toLowerCase() == 'li') {
    var subnav = jQuery('> ul', ele);
    return subnav.length ? subnav[0] : null;
   } else {
    return ele;
   }
  }
  
  function getActuator(ele) {
   if (ele.nodeName.toLowerCase() == 'ul') {
    return jQuery(ele).parents('li')[0];
   } else {
    return ele;
   }
  }
  
  function hide() {
   var subnav = getSubnav(this);
   if (!subnav) return;
   jQuery.data(subnav, 'cancelHide', false);
   setTimeout(function() {
    if (!jQuery.data(subnav, 'cancelHide')) {
     jQuery(subnav).slideUp(options.speed);
    }
   }, 500);
  }
 
  function show() {
   var subnav = getSubnav(this);
   if (!subnav) return;
   if (options.autoWidth) {
     jQuery(subnav).css({width: "auto"});
     var subnavWidth = jQuery(subnav).outerWidth();
     jQuery(subnav).css({width: subnavWidth});
     jQuery(subnav).find('ul').css({left: subnavWidth-options.overlap});
   }
   jQuery.data(subnav, 'cancelHide', true);
   jQuery(subnav).css({zIndex: zIndex++}).slideDown(options.speed);
   if (this.nodeName.toLowerCase() == 'ul') {
    var li = getActuator(this);
    jQuery(li).addClass('hover');
    jQuery('> a', li).addClass('hover');
   }
  }
  
  jQuery('ul, li', this).hover(show, hide);
  jQuery('li', this).hover(
   function() { jQuery(this).addClass('hover'); jQuery('> a', this).addClass('hover'); },
   function() { jQuery(this).removeClass('hover'); jQuery('> a', this).removeClass('hover'); }
  );
  
 });
 
};