function changeTab(id){
	var div = document.getElementById(id);
	var link = document.getElementById('link_'+id);
	if(id == 'productos'){
		var div2 = document.getElementById('detalles');
		div.style.display = 'block';
		div2.style.display = 'none';
		var linkD = document.getElementById('link_detalles');
		linkD.setAttribute("class", "");
		link.setAttribute("class", "active");
	}else{
		var div2 = document.getElementById('productos');
		div.style.display = 'block';
		div2.style.display = 'none';
		var linkD = document.getElementById('link_productos');
		linkD.setAttribute("class", "");
		link.setAttribute("class", "active");
	}
}