The fix listed here where the function is removed from fusion.js:
http://osgeo-org.1560.x6.nabble.com/Google-Offset-in-MGOS-3-1-1-tp5385642p5396743.html
"Array.prototype.find = function(searchStr) {"
It just worked for me.
gordon
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Sent from: http://osgeo-org.1560.x6.nabble.com/MapGuide-Users-f4182607.html