GMaps.prototype.addMapType = function(mapTypeId, options) {
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if (options.hasOwnProperty("getTileUrl") && typeof(options["getTileUrl"]) == "function") {
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options.tileSize = options.tileSize || new google.maps.Size(256, 256);
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var mapType = new google.maps.ImageMapType(options);
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this.map.mapTypes.set(mapTypeId, mapType);
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}
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else {
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throw "'getTileUrl' function required.";
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}
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};
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GMaps.prototype.addOverlayMapType = function(options) {
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if (options.hasOwnProperty("getTile") && typeof(options["getTile"]) == "function") {
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var overlayMapTypeIndex = options.index;
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delete options.index;
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this.map.overlayMapTypes.insertAt(overlayMapTypeIndex, options);
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}
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else {
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throw "'getTile' function required.";
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}
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};
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GMaps.prototype.removeOverlayMapType = function(overlayMapTypeIndex) {
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this.map.overlayMapTypes.removeAt(overlayMapTypeIndex);
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};
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