window.addEvent('domready', function(){
	// start element
	var domain = 'www.innoopract.com';
	var i = 0;
	var url = window.location.href.substr(domain.length+7);
	var f = true;	// first
	// if anchor set
	if (window.location.hash) {
		// id of selected div
		var toc = 'to'+window.location.hash.match(/c\d+/);
		var div = $('lo-content');
		// get all chapters
		var x = div.getElements('div.lo-content-chapter');
		// search requested chapter
		for (var j=0; j<x.length; j++) {
			if (x[j].getProperty('id').match(/toc\d+/) == toc) {
				i=j;
				break;
			}
		}
		url = url.substr(0, (url.length-window.location.hash.length));
	}

	var accordion = new Accordion('li.toc', 'div.lo-content-chapter', {
		show: i,
		opacity: false,
		onActive: function(toggler, element){
			toggler.addClass('navactive');
			// update link url
			addAnchorToLink(toggler.getProperty('id').match(/^c\d+/));
			if (f)
				f = false;
			else if (typeof(_gat) == 'object')
				pageTracker._trackPageview(url+'#'+toggler.getProperty('id'));
		},

		onBackground: function(toggler, element){
			toggler.removeClass('navactive');
		}
	}, $('lo-content'));
});