function arriba()
{
document.write('');
}
function der1()
{
document.write('');
}
function der2()
{
document.write('');
}
function der3()
{
document.write('');
}
function der4()
{
document.write('');
}
function rectangulo_arriba()
{
document.write('');
}
function familia()
{
document.write('');
}
function rectangulo_grande()
{
document.write('');
}
function uno()
{
document.write('');
}
function quienes()
{
document.write('');
}
function cuadrado2()
{
document.write('');
}