(function($) {
$.fn.collapsor = function(settings) { 
	// override default settings
	settings = $.extend({}, $.fn.collapsor.defaults, settings);
	var triggers = this;
	// for each element
	return this.each(function() {
		// occult the collapsing elements
		$(this).find('+ ' + settings.sublevelElement).hide();
		//show the opened
		if($(this).hasClass(settings.openClass)){
			$(this).find('+ ' + settings.sublevelElement).show();
		}
		
		// event handling
	  $(this).mouseover(function() {
			// remove the active class from all the elements less the clicked
			$(triggers).not($(this)).removeClass(settings.openClass);
			
			// if the new active have sublevels
			if ($(this).next().is(settings.sublevelElement)){
				// blur and add the active class to the clicked
				$(this).blur().toggleClass(settings.openClass);
				// toggle the clicked
				$(this).next().animate({height:'toggle', opacity:'toggle'}, settings.speed, settings.easing);
				// hide the rest
				$(this).parent().parent().find(settings.sublevelElement).not($(this).next()).animate({height:'hide', opacity:'hide'}, settings.speed, settings.easing);
				return false;
			}
	   });
	});
};
// default settings
$.fn.collapsor.defaults = {
	activeClass: 'active',
	openClass:'open',
	sublevelElement: 'ul',
	speed: 500,
	easing: 'swing'
};
})(jQuery);