$(document).ready(function(){
$('#clicky').click(function () {
$.each(bgmp.markers, function(index, obj) {
$.each(obj, function(key, value) {
//window.alert(key+':'+value);
if (key == 'visible') {
//window.alert(obj['visible']);
obj.setVisible(false);
window.alert(obj['visible']);
}
});
});
});
});