Using, jquery, visitorjs + google maps for displaying locale information

gistfile1.js

<script type="text/javascript"src="http://maps.googleapis.com/maps/api/js?key=API&sensor=false">
    </script>
<script type="text/javascript" src="http://www.visitorjs.com/visitor.js?key=API"></script>
<script type="text/javascript">
$(document).ready(function (){
	Columbus = "Columbus, OH";
	Cleveland = "Cleveland, OH";
	Dayton = "Dayton, OH";
	
  	// Make sure the visitor object is available
	if (visitor) {
	    // 
	    visitorLatitude = visitor.geo.coordinates.latitude;
		visitorLongitude = visitor.geo.coordinates.longitude;
		visitorOrigin(visitorLatitude, visitorLongitude);
	//	Use the next line to test locations that should trigger specific content to be displayed.
	//	visitorOrigin = "Spencer, OH";
		var service = new google.maps.DistanceMatrixService();
		service.getDistanceMatrix(
		  {
		    origins: [visitorOrigin],
		    destinations: [Columbus, Cleveland, Dayton],
			travelMode: google.maps.TravelMode.DRIVING,
			unitSystem: google.maps.UnitSystem.IMPERIAL
		  }, callback);
	  }	
	
});

var distanceTo = new Array();
function visitorOrigin(lat, lng) {
	visitorOrigin = new google.maps.LatLng(lat, lng);
}
function callback(response, status) {
	//Parsing results
	if (status == google.maps.DistanceMatrixStatus.OK) {
	    var origins = response.originAddresses;
	    var destinations = response.destinationAddresses;

	    for (var i = 0; i < origins.length; i++) {
	      var results = response.rows[i].elements;
	      for (var j = 0; j < results.length; j++) {
	        var element = results[j];
	        var distance = element.distance.text;
			//.value shows numeric value of the distance (seems arbitrary without units)
	        var distance2 = element.distance.value;
	        var duration = element.duration.text;
	        var from = origins[i];
	        var to = destinations[j];
		 	//Used the alert to test output of distances
			//alert("Distance to " + to + ": " + distance2);
			distanceTo[j] = distance2;
	      }
	    }
		// 64000 = is roughly estimated at ~ 40 mi of distance, 
		// so if anyone visits and is not within 40 mi of specific location nothing is displayed
	  	if (distanceTo[0] < distanceTo[1] && distanceTo[0] < distanceTo[2] && distanceTo[0] < 64000){
			//Display Columbus Information   
			$('p#contact').prepend('Your Local Number: <span class="large local">(614) xxx-xxxx </span><br />');
		} 
		else if (distanceTo[1] < distanceTo[0] && distanceTo[1] < distanceTo[2] && distanceTo[1] < 64000) {
			//Display Clevelend Information
			$('p#contact').prepend('Your Local Number: <span class="large local">(440) xxx-xxxx </span><br />');
		}
		else if (distanceTo[2] < distanceTo[0] && distanceTo[2] < distanceTo[1] && distanceTo[2] < 64000) {
			//Display Dayton Information
			$('p#contact').prepend('Your Local Number: <span class="large local">(937) xxx-xxxx </span><br />');
		}
		else {
			//Do nothing.
		}
	}
}
  
</script>