/* marker[0]~[4] infowindow[0] は for 文で回したというのに…！ */

google.maps.event.addListener(marker[0], 'click', function() {
    infowindow[0].open(map,marker[0]);
});
google.maps.event.addListener(marker[1], 'click', function() {
    infowindow[1].open(map,marker[1]);
});
google.maps.event.addListener(marker[2], 'click', function() {
    infowindow[2].open(map,marker[2]);
});
google.maps.event.addListener(marker[3], 'click', function() {
    infowindow[3].open(map,marker[3]);
});
google.maps.event.addListener(marker[4], 'click', function() {
    infowindow[4].open(map,marker[4]);
});