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: <html>
  <head>
  </head>
  <body>
  	<h2>Twitter Visualizer</h2>
  
  	<input id="startButton" value="Start visualization" type="submit" onclick="getLatLong()">
  	<input id="stopButton" value="Stop visualization" type="submit" onclick="stopVisualization()" disabled='disabled'>
  	
  	<div id="status"></div>
  	<div id="myCanvas" style="width:500px;height:500">
  	</div>
  
  	<div id="log">Log:</div>
  	<script src="https://maps.googleapis.com/maps/api/js"></script>
  
  	<script type="text/javascript"
  		src="http://code.jquery.com/jquery-2.1.3.min.js"></script>
  
negative.code: 				type : "GET",
  				url : "tweet",
  				datatype : "json",
  				data : "index=" + index + "&lat=" + lati + "&longi=" + longi,
  				success : function(data) {
  					if (data.length != 0 && data != "")
  						if (data[0] != "")
  							$("#log").text(
  									$("#log").text() + data.length
  											+ " more tweets read. ");
  					if (data != "") {
  						index = index + data.length;
  						draw(data);
  