anchor.diff:  			if (typeof attr !== typeof undefined && attr !== false) {
   				$("#stopButton").removeAttr('disabled');
   			}
  -			
  +
   		}
   		function startPolling(latit, longit) {
   
   			var toSend = "lat=" + latit + "&longi=" + longit;
  -			$.ajax({
  +			$
  +					.ajax({
   
   						url : "start",
   						data : toSend,
  
positive.code: 				}
  			});
  		}
  		function toRadians(number){
  			return number*Math.PI/180.0;
  		}
  		
  		function distance(lat1, lon1, lat2, lon2){
  			var R = 6371000; // metres
  			var p1 = toRadians(lat1);
  			var p2 = toRadians(lat2);
  			var p = toRadians(lat2-lat1);
  			var l = toRadians(lon2-lon1);
  
  			var a = Math.sin(p/2) * Math.sin(p/2) +
  					Math.cos(p1) * Math.cos(p2) *
  					Math.sin(l/2) * Math.sin(l/2);
  			var c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a));
  
  			var d = R * c;
  			return d*0.000621371; //in miles
  		}
  
  		function draw(tweets) {
  
negative.code: <!DOCTYPE HTML>
  <head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  </head>
  <body>
  	<h2 class="col-xs-12 col-sm-12 col-md-12 col-lg-12"
  		style="text-align: center">Twitter Visualizer</h2>
  	<div style="text-align: center">
  		<input id="startButton" value="Start visualization" type="submit"
  			onclick="getLatLong()"> <input id="stopButton"
  			value="Stop visualization" type="submit"
  			onclick="stopVisualization()" disabled='disabled'>
  	</div>
  	<div id="status" style="text-align: center"></div>
  	<div class="col-xs-12 col-sm-12 col-md-12 col-lg-12"
  		style="text-align: center" id="myCanvas"
  		style="width:500px;height:500"></div>
  
  	<div class="col-xs-12 col-sm-12 col-md-12 col-lg-12" id="log"
  		style="text-align: center; word-wrap: break-word;">Log:</div>
  	<script src="https://maps.googleapis.com/maps/api/js"></script>
  	<link rel="stylesheet" type="text/css"
  		href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.2/css/bootstrap.min.css" />
  
  	<script type="text/javascript"
  		src="http://code.jquery.com/jquery-2.1.3.min.js"></script>
  