Multiple Polylines Help

<?php
define('INCLUDE_CHECK',true);
include_once 'connect.php';
session_name('******');
session_set_cookie_params(2*7*24*60*60);
session_start();

?>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">

<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Registered users only! | Tutorialzine demo</title>

    <link rel="stylesheet" type="text/css" href="demo.css" media="screen" />
	<link type="text/css" href="css/main.css" rel="stylesheet" />
    <link type="text/css" href="css/searchMeme.css" rel="stylesheet" />
    <script type="text/javascript" src="http://maps.googleapis.com/maps/api/js?key=*********&sensor=false&libraries=geometry"></script>
    <script type="text/javascript" src="js/jquery-1.7.2.min.js"></script>
    <script type="text/javascript" src="js/jquery-ui-1.8.21.custom.min.js"></script>
    <script type="text/javascript" src="js/main.js"></script>
    <script type="text/javascript" src="js/jquery.searchMeme.js" ></script>


</head>

<body>

<div id="main">
    <div class="registered-contant">
	<div class="container tutorial-info">
    <?php
	if($_SESSION['id']){
	echo '<h3>Hello, '.$_SESSION['usr'].'. You are registered and logged in!  <a href="?logoff">Log off</a></h3>';
	echo '<h3>Click here to upload a new Log File  <a href="?upload">UPLOAD</a></h3>';
	if(isset($_GET['logoff']))
	{
	    $_SESSION = array();
	    session_destroy();
	    header("Location: index.php");
	    exit;
	}
	if(isset($_GET['upload']))
	{
	    header("Location: upload.php");
	}
	}
	else echo '<h3>Please, <a href="index.php">login</a> and come back later!</h3>';
    ?>


 </div>

  </div>
  <script type="text/javascript">
    //<![CDATA[

 function load() {

	  geocoder = new google.maps.Geocoder();
        var myOptions = {
		zoom: 3,
		center: new google.maps.LatLng(54.312195845815246, -4.45948481875007),
		mapTypeId: google.maps.MapTypeId.ROADMAP, //TERRAIN,
		minZoom: 3,
		streetViewControl: false,
		zoomControl: true,
		mapTypeControl: true,
		mapTypeControlOptions: {
		style: google.maps.MapTypeControlStyle.HORIZONTAL_BAR,
		position: google.maps.ControlPosition.TOP_RIGHT
		},
		navigationControl: true,
		navigationControlOptions: {
		style: google.maps.NavigationControlStyle.ZOOM_PAN,
		position: google.maps.ControlPosition.TOP_LEFT
		},
		scaleControl: true,
		scaleControlOptions: {
		position: google.maps.ControlPosition.BOTTOM_LEFT
		}
		}

      var map = new google.maps.Map(document.getElementById('map'), myOptions);
      var infoWindow = new google.maps.InfoWindow;

      // Change this depending on the name of your PHP file
      downloadUrl("output-xml.php", function(data)
      {
        var points=[];
		var markerbgn=[];
		var markerend=[];
		var xml = data.responseXML;
        var markers = xml.documentElement.getElementsByTagName("marker");
        for (var i = 0; i < markers.length; i++)
        {
          var date = markers[i].getAttribute("date");
          var dateBgn = markers[0].getAttribute("date");
          var time = markers[i].getAttribute("time");
		  var timebgn = markers[0].getAttribute("time");
		  var timeend = markers[markers.length-1].getAttribute("time");
          var type = markers[i].getAttribute("usid");

		  	 if (dateBgn == date)
		  	 {
		  	  points[i] = new google.maps.LatLng(
              parseFloat(markers[i].getAttribute("lat")),
              parseFloat(markers[i].getAttribute("lng")));
		  	 }


		  var html1 = "<b>" + date + "</b> <br/>" + timebgn + "</b> <br/>" + "Start Point";
		  var html2 = "<b>" + date + "</b> <br/>" + timeend + "</b> <br/>" + "End Point";
		  var content2 = "<b>" + "User: " + type + "</b> <br/>" + date + "</b> <br/>" + "User Route";

		var encoded_path = google.maps.geometry.encoding.encodePath(points);
		console.log(encoded_path);

		}

		var decoded_path = google.maps.geometry.encoding.decodePath(encoded_path);

		// Polyline
		var polyOptions = {
		  path: decoded_path,
		  map: map,
		  clickable: true,
		  strokeColor: "#FF0000",
		  strokeOpacity: 1.0,
		  strokeWeight: 2
		}

		//line text
		var info = decoded_path;

		// Polyline
		var polyline = new google.maps.Polyline(polyOptions);
		polyline.setMap(map);
		createInfoWindow(polyline, map, infoWindow, content2);


		if(decoded_path.length!=0)
		{
		  markerbgn = new google.maps.Marker({
            map: map,
            position: decoded_path[0],
			draggable: false,
			visible: true
          });
		  markerend = new google.maps.Marker({
            map: map,
            position: points[decoded_path.length-1],
			draggable: false,
			visible: true
          });

          bindInfoWindow(markerbgn, map, infoWindow, html1);
		  bindInfoWindow(markerend, map, infoWindow, html2);
	    }


      });
    }


    function bindInfoWindow(markerbgn, map, infoWindow, html1) {
      google.maps.event.addListener(markerbgn, 'click', function() {
		map.setZoom(14);
		map.setCenter(markerbgn.getPosition());
        infoWindow.setContent(html1);
        infoWindow.open(map, markerbgn);
      });
	  google.maps.event.addListener(markerbgn,"mouseover", function() {
        infoWindow.setContent(html1);
        infoWindow.open(map, markerbgn);
      });
    }

	function bindInfoWindow(markerend, map, infoWindow, html2) {
      google.maps.event.addListener(markerend, 'click', function() {
        map.setZoom(14);
		map.setCenter(markerend.getPosition());
		infoWindow.setContent(html2);
        infoWindow.open(map, markerend);
      });
	  google.maps.event.addListener(markerend,"mouseover", function() {
        infoWindow.setContent(html2);
        infoWindow.open(map, markerend);
      });
   }

	function createInfoWindow(polyline, map, infoWindow, content2) {
    google.maps.event.addListener(polyline, 'click', function(event) {
        infoWindow.content = content2;
        infoWindow.position = event.latLng;
        infoWindow.open(map);
      });
   }

    function downloadUrl(url, callback) {
      var request = window.ActiveXObject ?
          new ActiveXObject('Microsoft.XMLHTTP') :
          new XMLHttpRequest;

      request.onreadystatechange = function() {
        if (request.readyState == 4) {
          request.onreadystatechange = doNothing;
          callback(request, request.status);
        }
      };

      request.open('GET', url, true);
      request.send(null);
    }

    function doNothing() {}

    //]]></script>

<script type="text/javascript">
        $(document).ready(function () {
            var search = $('input').searchMeme({ onSearch: function (searchText) {
                setTimeout(function () {
                    search.searchMeme({ searchComplete: true });
                    alert('Search completed.');
                }, 3000);
            }
            , buttonPlacement: 'left', button: 'orange'
            });
        });
	</script>

	</head>

  <input  type="text" class="search" id="address"/>
  <body onload="load()">
  <div id="map" style="position: absolute; left: 0px; top: 0px; width: 100%; height: 100%; z-index: 0;"></div><br/>
  </body>

</html>