var nav={
	el:{
		navleftContainer:null,
		navLeftLIs:null,
		navFootContainer:null,
		navFootLIs:null
	},
	initEl:function(){
		var el=this.el;
		el.navleftContainer=$('#navleft');
		el.navLeftLIs=$('>li', el.navleftContainer);
		el.navFootContainer=$('#nav');
		el.navFootLIs=$('>li', el.navFootContainer);
	},
	initEvents:function(){
		var el=this.el;
		var first={};
		$('li.m2 > strong > a, li.m4 > strong > a', el.navFootContainer).mousedown(function(){
			// hide all sub nav
			var parentLI=$(this).parent('strong').parent('li');
			var sub=$('div.sub', parentLI);

			var hiddenClass='pruksatown-hidden';
			var subs=$('.sub', el.navFootContainer);
			$.each(subs, function(i,o){
				var oEl=$(o);
				if(oEl.attr('id') != sub.attr('id')){ oEl.hide().addClass(hiddenClass); }
			});
			
			if(sub.is('.'+hiddenClass)){ sub.show(); sub.removeClass(hiddenClass); }
			else{ sub.hide(); sub.addClass(hiddenClass); }
		});
	},
	init:function(){
		this.initEl();
		this.initEvents();
	}
};
$(function(){
	nav.init();
});