function mostrarFrame(){


   var div_frame = document.getElementById('div_frame');
   var iframe = document.getElementById('iframe0');
   var div_frame_v = document.getElementById('div_frame_v');
   var iframe_v = document.getElementById('iframe0_v');

if (div_frame) {
   div_frame.style.display = 'block';
   iframe.width =  ad_width ;
   iframe.height = ad_height;   
   iframe.src = source;
   

}

   div_frame_v.style.display = 'block';
   iframe_v.width =  ad_width_v ;
   iframe_v.height = ad_height_v;
   iframe_v.src = source_v;


   

}