call stopObserving before setting img.src to blank image as well
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@@ -324,6 +324,7 @@ OpenLayers.Tile.Image = OpenLayers.Class(OpenLayers.Tile, {
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if (img.getAttribute("src") == this.blankImageUrl) {
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if (img.getAttribute("src") == this.blankImageUrl) {
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load();
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load();
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} else {
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} else {
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OpenLayers.Event.stopObservingElement(img);
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OpenLayers.Event.observe(img, "load", load);
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OpenLayers.Event.observe(img, "load", load);
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OpenLayers.Event.observe(img, "error", load);
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OpenLayers.Event.observe(img, "error", load);
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if (this.crossOriginKeyword) {
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if (this.crossOriginKeyword) {
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