Cleaned up version of this awful code: https://gist.github.com/IQAndreas/5692007

gistfile1.js

// This code sets up the input box to auto-complete
$("#step1-search-address-input").autocomplete({
	source: map.getAutocompleteData,
	select: map.onAutocompleteSelect
});


// This code is contained in the Map class
Map.prototype.initialize = function()
{
	console.log("initialize", this);

	var mapOptions = 
	{
		backgroundColor: '000',
		center: new google.maps.LatLng(this.lat, this.lng),
		zoom: 7,
		mapTypeId: google.maps.MapTypeId.HYBRID,
		//disableDefaultUI: true,
		mapTypeControl: false,
		streetViewControl: false,
		rotateControl: false // Is this disabled by default anyway?
	};
	
	this.div = $("#map-canvas")[0];
	this.reference = new google.maps.Map(this.div, mapOptions);
	
	this.geocoder = new google.maps.Geocoder();
	this.geocoderCache = { };
	
	console.log("map initialized");
	
}
Map.prototype.getAutocompleteData = function(request, response) 
{
	// All code in this function is from
	//  http://gerger.co/blog/2011/02/17/google-maps-api-v3-location-search-with-jquery-autocomplete-plugin/
	//  (though, it was cleaned up drastically, because he is a dirty JavaScript developer)
	
	var term = request.term;
	if (map.geocoderCache[term])
	{
		response(map.geocoderCache[term]);
		return;
	}
	
	map.geocoder.geocode( {'address': term }, onAddressResult);
	
	function onAddressResult(results, status) 
	{
		if (status != google.maps.GeocoderStatus.OK) 
			{ return console.log("[onAddressResult] Google maps error",'status=',status); }
			
		console.log("onAddressResult", results);
		
		if (results.length <= 0)
		{
			//No results found
			console.log("No results found for", request.term);
		}
		else
		{
			//var searchLoc = results[0].geometry.location;
			var lat = results[0].geometry.location.lat();
			var lng = results[0].geometry.location.lng();
			var latlng = new google.maps.LatLng(lat, lng);
			var bounds = results[0].geometry.bounds;
		
			map.setCenter(lat, lng, true);
			if (bounds) // For some reason, some queries don't return bounds
				map.reference.fitBounds(bounds);

			map.geocoder.geocode({'latLng': latlng}, onLatLngResult);
		}
	}
	function onLatLngResult(results, status) 
	{
		if (status != google.maps.GeocoderStatus.OK)
			{ return console.log("[onLatLngResult] Google maps error",'status=',status); }
		
		console.log("onLatLngResult", results);
		
		if (results[1]) {
			data = formatResults(results);
			map.geocoderCache[term] = data;
			response(data);
		}
	}
	function formatResults(results)
	{
		return jQuery.map(results, function(loc) {
			return {
				label  : loc.formatted_address,
				value  : loc.formatted_address,
				loc    : loc,
				bounds : loc.geometry.bounds
			}
		});
	}
}
Map.prototype.onAutocompleteSelect = function(event, ui)
{
	//var pos = ui.item.position;
	//var lct = ui.item.locType;
	
	console.log("onAutocompleteSelect");
	
	var bounds = ui.item.bounds;
	map.selectedAddress = ui.item.loc.formatted_address;

	if (bounds)
	{
		map.reference.fitBounds(bounds);
	}
}