var active = 1;

function showTab(id) {
	document.getElementById("tab-" + active).className = '';
	document.getElementById("content-" + active).style.display = 'none';
	active = id;
	document.getElementById("tab-" + active).className = 'active';
	document.getElementById("content-" + active).style.display = 'block';
}

var picture = 1;

function showPicture(pic, url) {
	document.getElementById("picture-" + picture).className = '';
	picture = pic;
	document.getElementById("picture-" + picture).className = 'active';
	document.getElementById("picture").src = url;
}