Script failre can anyone assist?

[axolotl hatchlings]

I have created some kml files which I planned on showing via a button
toggle. But for some reason nothing is showing up, all I get is a
blank screen and am totally baffled.
What have I done worng?, can anyone assist/edit my script?

http://manchester-axolotls.co.uk/scripttest/

[Grok Lobster]

Double double quotes on zoom

	"owned": 
		{"url": "outrightownned.kml",
		"name": "owned",
		""zoom": 12,
		"lat": 55.7230015,
		"lng": -4.8791556},		
};