function mostrarGDOCS(donde) {
 var salida = "";
 var max = cantidadplanilla-1;
 salida += "<table class='demoGDOCS' cellspacing='5' cellpadding='0'>";

 // primera fila imagenes 0 1 y 2
 salida += "<tr>";
 for (i=0; i<=2; i++) {
  // cada celda
  salida += "<td align='center' valign='middle'>";
  salida += "<a class='lightwindow' rel='demoGDOCS[GDOCS]' href='" + planillaURL[i] + "'>";
  salida += "<img width='90' height='90' src='" + planillaURL[cual] + "' />";
  salida += "</a>";
  salida += "</td>";
 }
 salida += "</tr>";

 // segunda fila imagenes 3 4 y 5
 salida += "<tr>";
 for (i=3; i<=5; i++) {
  // cada celda
  salida += "<td align='center' valign='middle'>";
  salida += "<a class='lightwindow' rel='demoGDOCS[GDOCS]' href='" + planillaURL[i] + "'>";
  salida += "<img width='90' height='90' src='" + planillaURL[cual] + "' />";
  salida += "</a>";
  salida += "</td>";
 }
 salida += "</tr>";

 salida += "</table>";
 document.getElementById(donde).innerHTML = salida;
}