IRC problem

geojson.js

<script>

var map = L.mapbox.map('map', 'examples.map-9ijuk24y')
    .setView([38.9880463, -76.9442844], 15),
    markers;

$.getJSON("jsonRetrieval.php", function (data) {
    markers = L.geoJson(data, {
            onEachFeature: onEachFeature
    }).addTo(map);
});

function onEachFeature(feature, layer) {
    layer.bindPopup('this is popup text');
}

markers.on('click', function(e){
    console.log(e);
});

map.on('click',function(e){
    document.getElementById('info').innerHTML = '';
});

//Get coordinates from click
var click = document.getElementById('click'),
    mousemove = document.getElementById('mousemove');

map.on('click', function(e) {
    //window[e.type].innerHTML = e.containerPoint.toString() + ', ' + e.latlng.toString();
     var latLong = e.latlng.toString(); 
     var replaceLatLng = latLong.replace("LatLng", "");
     var replaceLeftParen = replaceLatLng.replace("(","");
     var replaceRightParen = replaceLeftParen.replace(")",""); 
     var removeSpace = replaceRightParen.replace(" ", "");
     var positionArray = removeSpace.split(",");
     document.getElementById("requiredlatitude").value = positionArray[0]; 
     document.getElementById("requiredlongitude").value = positionArray[1];
});

$(document).ready(function() {
  $('#addEventMenu').sidr({
    name: 'sidr-left',
    side: 'left'
  }); // initialize left side menu
});
//initilize date
$(function() {
    $( "#requiredstartDate" ).datepicker();
    $( "#requiredendDate" ).datepicker();
    $( "#requiredstarttime" ).timepicker({
        timeFormat: "hh:mm:ss TT"//,
    //controlType: 'select'
    });
    $( "#requiredendtime" ).timepicker({
    timeFormat: "hh:mm:ss TT"//,
    //controlType: 'select'
    });
});

//REQUIRED vs OPTIONAL
function checkrequired(which){
var pass=true
if (document.images){
for (i=0;i<which.length;i++){
var tempobj=which.elements[i]
if (tempobj.name.substring(0,8)=="required"){
if (((tempobj.type=="text"||tempobj.type=="textarea")&&tempobj.value=='')||(tempobj.type.toString().charAt(0)=="s"&&tempobj.selectedIndex==-1)){
pass=false
break
}
}
}
}
if (!pass){
alert("One or more of the required elements are not completed. Please complete them, then submit again!")
return false
}
else
return true
}

</script>