(function($) {
$.fn.collapsor = function(settings) {
	settings = $.extend({}, $.fn.collapsor.defaults, settings);
	var triggers = this;
	return this.each(function() {
		$(this).find('+ ' + settings.sublevelElement).hide();
		if($(this).hasClass(settings.openClass)){
			$(this).find('+ ' + settings.sublevelElement).show();
		}

	  $(this).click(function() {
			$(triggers).not($(this)).removeClass(settings.openClass);

			if ($(this).next().is(settings.sublevelElement)){
				$(this).blur().toggleClass(settings.openClass);
				$(this).next().animate({height:'toggle', opacity:'toggle'}, settings.speed, settings.easing);
				$(this).parent().parent().find(settings.sublevelElement).not($(this).next()).animate({height:'hide', opacity:'hide'}, settings.speed, settings.easing);
				return false;
			}
	   });
	});
};

$.fn.collapsor.defaults = {activeClass: 'active', openClass:'open', sublevelElement: 'ul', speed: 200, easing: 'swing'};

})(jQuery);

$(function(){$('#content .left .all div ul a').collapsor();});



function show(item_id){
        if($('#'+item_id).css("display") == 'none')
            var vis = true;
		$('.preim_a').hide();
        if (vis) $('#'+item_id).show();
    }