function removeGetAwayPolyLine()
{
	for (var i = 0; i < markerGroups["traveltimes"].length; i++) {
       		
       		var polyline = new GPolyline;


       		var polyline = markerGroups["traveltimes"][i];
        	if (polyline.isHidden()) 
        	{
          		//polyline.show();
        	} 
        	else 
        	{
          		polyline.hide();
          		//polyline.remove();
        	}
        }

}

function refreshGetAwayPolyLine()
{
	var bounds1 = new GLatLngBounds();
	var bounds2 = new GLatLngBounds();
	

	for (var i = 0; i < markerGroups["traveltimes"].length; i++) {
       		
       		var polyline = new GPolyline;
       		var polyline = markerGroups["traveltimes"][i];

		bounds1 = map.getBounds();
		bounds2 = polyline.getBounds();		


          	if(bounds1.intersects(bounds2))
          	{
          		polyline.show();
          	}
          	else
          	{
          		polyline.hide();
		}
        }


}

function drawGetAwayPolyLine()
{
	randomNum = Math.floor(Math.random()*10000000);

	var IncdientsUrl = "./iteris/data/Polytraveltimes.xml?" + randomNum.toString();
	



		//This gets the request from
		var request = GXmlHttp.create();
		request.open("GET", IncdientsUrl, true);


	      request.onreadystatechange = function() {


				if (request.readyState == 4) {
					var xmlDoc = request.responseXML;

					// obtain the array of markers and loop through it
					var markers = xmlDoc.documentElement.getElementsByTagName("Points");



					for (var i = 0; i < markers.length; i++) {

								var url = markers[i].getElementsByTagName("URL")[0].childNodes[0].nodeValue;
								var polyencode = markers[i].getElementsByTagName("POLYENCODE")[0].childNodes[0].nodeValue;
								var levels = markers[i].getElementsByTagName("LEVELS")[0].childNodes[0].nodeValue;

								var polyline = new GPolyline;

								var polyline = returnPolyline(url,"#000000",12,polyencode,levels,32,0.0,4);



								markerGroups["traveltimes"].push(polyline);

								var bounds1 = new GLatLngBounds();
								bounds1 = map.getBounds();

								var bounds2 = new GLatLngBounds();
								bounds2 = polyline.getBounds();

								//if(bounds1.intersects(bounds2))
								//{
									map.addOverlay(polyline);
								//}
		
							

			
					}

					polyline = null;
				}
	      }

		
      request.send(null);



}

function returnPolyline(url,color,weight,polyencode,levels,zoomfactor,opacity,numlevels)

{

	var polyline = new GPolyline.fromEncoded({
	color: color,
	weight: weight,
	points: polyencode,
	levels: levels,
	zoomFactor: zoomfactor,
	opacity: opacity,
	numLevels: numlevels
	});


	GEvent.addListener(polyline, "click", function(latlng)
	{
	var html = "<div  align=\"left\" class=\"bodytext\"><iframe src =\"" + url + "\" width=\"240\" height=\"200\" FRAMEBORDER=0></iframe></div>";
	map.openInfoWindowHtml(latlng, html);
	moveWanted = 0;
	WaitandTurnOffMoveWanted();
	});

	return polyline;

}