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copied!<p>This script gets the initial bounds (<code>allowedBounds</code>) and limit the bounds on <code>drag</code> and <code>zoom_changed</code>. Also the zoom is limited on < 7.</p> <pre><code>var allowedBounds = false; google.maps.event.addListener(map, 'idle', function() { if (!allowedBounds) { allowedBounds = map.getBounds(); } }); google.maps.event.addListener(map, 'drag', checkBounds); google.maps.event.addListener(map, 'zoom_changed', checkBounds); function checkBounds() { if (map.getZoom() < 7) map.setZoom(7); if (allowedBounds) { var allowed_ne_lng = allowedBounds.getNorthEast().lng(); var allowed_ne_lat = allowedBounds.getNorthEast().lat(); var allowed_sw_lng = allowedBounds.getSouthWest().lng(); var allowed_sw_lat = allowedBounds.getSouthWest().lat(); var currentBounds = map.getBounds(); var current_ne_lng = currentBounds.getNorthEast().lng(); var current_ne_lat = currentBounds.getNorthEast().lat(); var current_sw_lng = currentBounds.getSouthWest().lng(); var current_sw_lat = currentBounds.getSouthWest().lat(); var currentCenter = map.getCenter(); var centerX = currentCenter.lng(); var centerY = currentCenter.lat(); if (current_ne_lng > allowed_ne_lng) centerX = centerX-(current_ne_lng-allowed_ne_lng); if (current_ne_lat > allowed_ne_lat) centerY = centerY-(current_ne_lat-allowed_ne_lat); if (current_sw_lng < allowed_sw_lng) centerX = centerX+(allowed_sw_lng-current_sw_lng); if (current_sw_lat < allowed_sw_lat) centerY = centerY+(allowed_sw_lat-current_sw_lat); map.setCenter(new google.maps.LatLng(centerY,centerX)); } } </code></pre>

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