(function(a){a.fn.collapsor=function(c){c=a.extend({},a.fn.collapsor.defaults,c);var b=this;return this.each(function(){a(this).find("+ "+c.sublevelElement).hide();if(a(this).hasClass(c.openClass)){a(this).find("+ "+c.sublevelElement).show()}a(this).click(function(){if(a(this).next().is(c.sublevelElement)){a(this).blur().toggleClass(c.openClass);if(c.closeOthers==true){a(this).parent().parent().children().find("."+c.openClass).not(this).removeClass(c.openClass).next().animate({height:"toggle",opacity:"toggle"},c.speed,c.easing)}a(this).next().animate({height:"toggle",opacity:"toggle"},c.speed,c.easing);return false}})})};a.fn.collapsor.defaults={openClass:"open",sublevelElement:"ul",closeOthers:true,speed:350,easing:"swing"}})(jQuery);

function cl(link)
{ var img = new Image(1,1);
 img.src = 'http://files.bestfree.ru/images/empty.gif';
}
$(function(){$('#multi-derevo li span').collapsor();
$("a[@href$=.zip]").attr("onClick","cl(this)").attr("target", "_blank").before('<span class="zip">&nbsp;&nbsp;&nbsp;</span>');
});