$(document).ready(function(){
	var elt = $('.assyst_menu tr td');

	var arr = [0];
	var myHash = document.location.hash;
	if (myHash !== '') {
		$(myHash).css('display', 'block');
		var cnt = myHash.replace('#','');
		$('.assyst_menu tr td[name='+cnt+']').addClass('active');
	} else {
		var firstli = $(elt)[0];
		$(firstli).addClass('active');
		var firstThing = $('.thing')[0];
		$(firstThing).css('display', 'block');
	}
	$(elt).each(function(i) {
		$(this).bind("click", function() {
			var lastInd = arr.length - 1;
			lastInd = arr[lastInd];

			var anchorName = $(this).attr('name');
			document.location.hash = anchorName;
	
			$(elt).removeClass('active');
			$(this).addClass('active');
                        				
			var lastEl = $("div.thing")[lastInd];
			var myDiv = $("div.thing")[i];
				
			if (lastInd !== i) {
				$(lastEl).hide();
				$(myDiv).show();
			} else {
				$(lastEl).toggle();
			}
			arr.push(i);
		});
	});
});