Open Street Map Geocoder

gistfile1.js

  // BEGIN GEOCODING
	$adrsInput = $('#address-submit');
	$adrsText = $('#address-text')
    var geocoder, 
    	firstRun = true,
        markerGroup;
    var geoCode = function(address) {

    	$.ajax({
    		url:'http://open.mapquestapi.com/geocoding/v1/address?&inFormat=kvp&outFormat=json&location='+address,
    		dataType:'JSONP',
    		success: function(data){

    			if(data.results[0].locations.length == 0){
    				alert("We couldn't find your address, please make sure it includes a city and state.")
    			}else{
	                var lat = data.results[0].locations[0].latLng.lat,
	                    lng = data.results[0].locations[0].latLng.lng;

	                console.log(lat,lng)
	                map.panTo([lat,lng]);
	                // Set the zoom to whatever you want.
	                // the higher the number the greater the zoom.
	                map.setZoom(8);

	                // Optional, place a marker
	                if (firstRun == false) {
	                    map.removeLayer(markerGroup)
	                }

	                var markerLL = L.marker([lat, lng]);
	                markerGroupLL = L.layerGroup([markerLL]);
	                map.addLayer(markerGroupLL);
	                firstRun = false;

    			}

    		},
    		error: function(){
      			alert("We couldn't find your address, please make sure it includes a city and state.")
    		}
		});


    }
    // Geocoding buttons
    $adrsInput.click(function() {
        var addrs = $adrsText.val();
        geoCode(addrs);
    });
    // also enable the button when you hit return
    $(document)
        .keydown(function(e) {
        if (e.keyCode == 13) { // return key
            $adrsInput.trigger('click');
        }
    }); // End geocoding