// JavaScript Document
function abriraviso(URL, width, height) {
var todo = screen.window;
var izq = (screen.width-width)/2;
var arriba = (screen.height-height)/2;
var ancho = width;
var alto = height;
window.open(URL,'aviso','toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width='+ancho+',height='+alto+',left=' +izq+ ',top='+arriba);
}
function cerrar() {
window.close();
}