// JavaScript Document
var Guna = {
	show: function(thisElement, element) {
		if ($$('.selected').size()) $$('.selected')[0].removeClassName('selected').addClassName('unselected');
		$(thisElement).up().removeClassName('unselected').addClassName('selected');
		$A($$(".t:not(" + element + ")")).invoke('hide');
		if (!$(element)) return false;
		$(element).show();
		return true;
	},
	
	_anchor: function() {
		var href = window.location.href;
		var _ = href.indexOf("#");
		if (_ > -1) {
			href = href.substr((_ + 1));
			var vars = href.split("&");
			var returnV = vars.pop();

			return returnV;
			
		} else return '';		
	}
}

document.observe("dom:loaded", function() {
	var ids = ['all', 'past-events', 'seminars', 'roundtables', 'exhibitions', 'webinars'];		
	var _anchor = Guna._anchor();
	if (!_anchor) _anchor = ids[2];
	var id = ids.indexOf(_anchor);	
	Guna.show($('a_' + _anchor), 't_' + id);
})