function activarmapa(id) {
var mapas = [];
mapas[0] = 'http://maps.google.cl/maps/ms?ie=UTF8&hl=es&t=h&source=embed&msa=0&msid=104556930845228125889.000480a98ae40597221b4&ll=-33.742613,-71.246338&spn=1.598699,2.334595&output=embed';
mapas[1] = 'http://maps.google.cl/maps/ms?ie=UTF8&hl=es&t=h&msa=0&msid=103299390633192373139.000480b13b34617d3d1dc&ll=-37.055177,-70.97168&spn=19.218665,39.506836&output=embed';
mapas[2] = 'http://maps.google.com/maps/ms?ie=UTF8&msa=0&msid=113716870702282583875.000480af8bc480bc2b82c&t=h&ll=-36.810109,-73.068352&spn=0.067069,0.154324&output=embed';
mapas[3] = 'http://maps.google.com/maps/ms?ie=UTF8&hl=es&msa=0&msid=113174971840190335688.000480d449f6bb7c783db&ll=-36.807361,-73.098564&spn=0.137441,0.308647&output=embed'
mapas[4] = 'http://maps.google.es/maps/ms?hl=es&gl=es&ie=UTF8&oe=UTF8&msa=0&msid=112411083928204387989.000453c2cda8cd0ffa781&source=embed&ll=-33.449777,-70.657196&spn=0.171875,0.205994&output=embed';

$('#mapaiframe').html('<iframe width="860" height="385" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" src="' + mapas[id] + '"></iframe>');
$('#link0').removeClass('active');
$('#link1').removeClass('active');
$('#link2').removeClass('active');
$('#link3').removeClass('active');
$('#link4').removeClass('active');
$('#link' + id).addClass('active');

}