function obrirSandra(){
window.open('http://sandra.csoica.artificial-solutions.com/html/start.html', 'myPop','toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=265,height=670,left=920,top=235'); 
return false;
}
addLoadEvent(obrirSandra);