jquery search in JSON file

I was wondering using jquery i need a example of how to search thru a JSON file.  So lets say i look for Item1 it will return the fields bar and items.

{
	"items": [

	{
	  "foo": "Item0",
	  "bar": "HEllo",
	  "items": {"www.google.com" : "lgo_google.gif"},
	},
	
	{
	  "foo": "Item1",
	  "bar": "Good Bye",
      "items": {"www.yahoo.com" : "lgo_yahoo.gif"},
	},
	
	{
	  "foo": "Item2",
	  "bar": "What up",
	  "items": {"www.msn.com" : "lgo_msn.gif"},
	}

			
	]
}

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