function getLocation(geol)
{
if(geol){
dest=prompt("Enter destination or click cancel to list nearest buses","");
}
else {dest="";}


navigator.geolocation.watchPosition(geoHandler, geoFail, {enableHighAccuracy: true});
}

function geoHandler(locationObj)
{
lat=locationObj.coords.latitude;
lng=locationObj.coords.longitude;


if (dest!=null && dest!="")
  {
  window.location.href='route.php?w3c='+lat+','+lng+'&dest='+dest;
  }
else{
window.location.href='stop.php?centre='+lat+','+lng;
}
} 

function geoFail(locationError)
{
document.getElementById('geoOutput').innerHTML = 'fail! Error = ' + locationError.message;
}