function TamVentana() { 
var sw;
var sh;

sw=screen.width;
sh=screen.height;

  
  var Tamanyo = [0, 0];  
  if (typeof window.innerWidth != 'undefined')  
  {  
    Tamanyo = [  
        window.innerWidth,  
        window.innerHeight  
    ];  
  }  
  else if (typeof document.documentElement != 'undefined'  
      && typeof document.documentElement.clientWidth !=  
      'undefined' && document.documentElement.clientWidth != 0)  
  {  
 Tamanyo = [  
        document.documentElement.clientWidth,  
        document.documentElement.clientHeight  
    ];  
  }  
  else   {  
    Tamanyo = [  
        document.getElementsByTagName('body')[0].clientWidth,  
        document.getElementsByTagName('body')[0].clientHeight  
    ];  
  }  
  parent.location="intro.aspx?res="+sw+","+sh+","+Tamanyo[0]+","+Tamanyo[1];  
}