/*
 * Droppy 0.1.2
 * (c) 2008 Jason Frame (jason@onehackoranother.com)
 */
	$.fn.droppy = function(options) {

	  options = $.extend({speed: 300}, options || {});
	  options = $.extend({delay: 50}, options || {});//オプション
		// return original object to support chaining
		return 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 hide() {
	      var subnav = getSubnav(this);
	      if (!subnav) return;
	      $.data(subnav, 'cancelHide', false);
	      setTimeout(function() {
	        if (!$.data(subnav, 'cancelHide')) {
	          $(subnav).slideUp(options.delay);//オプション反映
	        }
	      }, 50);
	    }

  
    function show() {
      var subnav = getSubnav(this);
      if (!subnav) return;
      $.data(subnav, 'cancelHide', true);
      $(subnav).css({zIndex: zIndex++}).slideDown(options.speed);
      if (this.nodeName.toLowerCase() == 'ul') {
        var li = getActuator(this);
        $(li).addClass('hover');
        $('> a', li).addClass('hover');
      }
    }
    
    $('ul, li', this).hover(show, hide);
    $('li', this).hover(
      function() { $(this).addClass('hover'); $('> a', this).addClass('hover'); },
      function() { $(this).removeClass('hover1'); $('> a', this).removeClass('hover'); }
    );
    
  });
  
};

