jQuery(function(){
	expander = jQuery('<a href="#" class="arrow collapsed"><img src="/templates/designs/extension/inc/img/icons/collapsed.gif" border="0" /></a>');
	collapser = jQuery('<a href="#" class="arrow expanded"><img src="/templates/designs/extension/inc/img/icons/expanded.gif" border="0" /></a>');
	navTargets = jQuery('.nav .level3, .nav .level2').parent();

	jQuery(navTargets).filter('.selected').prepend(collapser);
	jQuery(navTargets).not('.selected').prepend(expander);
	
	jQuery(navTargets).children("a.arrow").click(function(){
		if(jQuery(this).hasClass('expanded')){
			jQuery(this).children("img").attr("src", "/templates/designs/extension/inc/img/icons/collapsed.gif");
			jQuery(this).addClass('collapsed');
			jQuery(this).removeClass('expanded');
			jQuery(this).siblings('.level3, .level2').slideUp('medium');
			return false;
		} else {
			jQuery(this).children("img").attr("src", "/templates/designs/extension/inc/img/icons/expanded.gif");
			jQuery(this).addClass('expanded');
			jQuery(this).removeClass('collapsed');
			jQuery(this).siblings('.level3, .level2').slideDown('medium');
			return false;
		}
	});
});