function mostrar_item(id, idioma) {
	var WIDTH = 640;
	var HEIGHT = 480;
	
	var xPos = (screen.width - WIDTH) / 2;
	var yPos = (screen.height - HEIGHT) / 2;
	
	var url = (idioma == "eng") ? "/show/item/" + id + "/" : "/mostrar/item/" + id + "/";
	
	cambiar = window.open(url, "mostrar", "status=0,left=" + xPos + ",top=" + yPos + ",width=" + WIDTH + ",height=" + HEIGHT);
	cambiar.focus();
}

function ver_revista(imagen) {
	var width = 610;
	var height = 760;
	var xPos = (screen.width - width) / 2; 
	var yPos = (screen.height - height) / 2; 
	var url = "/revista-foto.php?imagen=" + imagen;

	var newWin = window.open(url, "info", "left=" + xPos + ",top=" + yPos + ",width=" + width + ",height=" + height + "");
	newWin.focus();
}