diff --git a/bower.json b/bower.json
index 8c2db1f..f86164a 100644
--- a/bower.json
+++ b/bower.json
@@ -1,7 +1,7 @@
 {
   "name": "gmap3",
-  "version": "7.0.0",
-  "date": "2016-03-28",
+  "version": "7.1.0",
+  "date": "2016-04-17",
   "description": "jQuery plugin to generate Google Maps",
   "author": {
     "name": "Jean-Baptiste DEMONTE",
diff --git a/dist/gmap3.js b/dist/gmap3.js
index 103ab18..4f9c053 100644
--- a/dist/gmap3.js
+++ b/dist/gmap3.js
@@ -1,18 +1,18 @@
 /*!
  *  GMAP3 Plugin for jQuery
- *  Version  : 7.0
- *  Date     : 2016/03/28
+ *  Version  : 7.1
+ *  Date     : 2016/04/17
  *  Author   : DEMONTE Jean-Baptiste
  *  Contact  : jbdemonte@gmail.com
  *  Web site : http://gmap3.net
  *  Licence  : GPL-3.0+
  */
-(function ($, window) {
+(function ($, window, document) {
   "use strict";
 
-  var gm, services = {},
+  var gm, services = {}, loadOptions,
 
-    // Proxify functions to get shorter minimized code
+  // Proxify functions to get shorter minimized code
     when = $.when,
     extend = $.extend,
     isArray = $.isArray,
@@ -88,6 +88,20 @@
     return 1000 * 6371 * m.acos(m.min(cos(e) * cos(g) * cos(f) * cos(h) + cos(e) * sin(f) * cos(g) * sin(h) + sin(e) * sin(g), 1));
   }
 
+  function ready(fn) {
+    if (document.readyState != 'loading'){
+      fn();
+    } else {
+      document.addEventListener('DOMContentLoaded', fn);
+    }
+  }
+
+  function serialize(obj) {
+    return objectKeys(obj).map(function (key) {
+      return encodeURIComponent(key) + "=" + encodeURIComponent(obj[key]);
+    }).join("&");
+  }
+
   // Auto-load google maps library if needed
   (function () {
     var dfd = deferred(),
@@ -96,19 +110,22 @@
 
     $.holdReady(true);
 
-    if (window.google && window.google.maps) {
-      dfd.resolve();
-    } else {
-      // callback function - resolving promise after maps successfully loaded
-      window[cbName] = function () {
-        delete window[cbName];
+    ready(function () {
+      if (window.google && window.google.maps || loadOptions === false) {
         dfd.resolve();
-      };
-      script = window.document.createElement('script');
-      script.type = 'text/javascript';
-      script.src = 'https://maps.googleapis.com/maps/api/js?callback=' + cbName;
-      $("head").append(script);
-    }
+      } else {
+        // callback function - resolving promise after maps successfully loaded
+        window[cbName] = function () {
+          delete window[cbName];
+          dfd.resolve();
+        };
+        script = document.createElement('script');
+        script.type = 'text/javascript';
+        script.src = 'https://maps.googleapis.com/maps/api/js?callback=' + cbName + (loadOptions ? '&' + (typeof loadOptions === 'string' ? loadOptions : serialize(loadOptions)) : '');
+        $("head").append(script);
+      }
+    });
+
     return dfd.promise();
   })().then(function () {
     $.holdReady(false);
@@ -737,6 +754,14 @@
     }, 10);
   }
 
+  /**
+   * Configure google maps loading library
+   * @param {string|object} options
+   */
+  $.gmap3 = function (options) {
+    loadOptions = options;
+  };
+
   /**
    * jQuery Plugin
    */
@@ -1091,6 +1116,9 @@
           return isArray(instance) ? instance.slice() : instance;
         });
       } else {
+        if (index < 0) {
+          index = previousResults.length + index;
+        }
         return isArray(previousResults[index]) ? previousResults[index].slice() : previousResults[index];
       }
     };
@@ -1100,4 +1128,4 @@
     }
   }
 
-})(jQuery, window);
\ No newline at end of file
+})(jQuery, window, document);
\ No newline at end of file
diff --git a/dist/gmap3.min.js b/dist/gmap3.min.js
index 5db4152..abb57c9 100644
--- a/dist/gmap3.min.js
+++ b/dist/gmap3.min.js
@@ -1,10 +1,10 @@
 /*!
  *  GMAP3 Plugin for jQuery
- *  Version  : 7.0
- *  Date     : 2016/03/28
+ *  Version  : 7.1
+ *  Date     : 2016/04/17
  *  Author   : DEMONTE Jean-Baptiste
  *  Contact  : jbdemonte@gmail.com
  *  Web site : http://gmap3.net
  *  Licence  : GPL-3.0+
  */
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\ No newline at end of file
+!function(n,t,e){"use strict";function o(n){return j(!0,{},n||{})}function r(){var n=Array.prototype.slice,t=n.call(arguments,1);return n.apply(arguments[0],t)}function i(n){return"undefined"==typeof n}function u(t){return S.apply(n,t)}function a(n){return S().then(function(){return n})}function c(n,t){var e=Math,o=e.PI,r=o*n.lat()/180,i=o*n.lng()/180,u=o*t.lat()/180,a=o*t.lng()/180,c=e.cos,s=e.sin;return 6371e3*e.acos(e.min(c(r)*c(u)*c(i)*c(a)+c(r)*s(i)*c(u)*s(a)+s(r)*s(u),1))}function s(n){"loading"!=e.readyState?n():e.addEventListener("DOMContentLoaded",n)}function f(n){return v(n).map(function(t){return encodeURIComponent(t)+"="+encodeURIComponent(n[t])}).join("&")}function p(n){return O[n]||(O[n]=l(n)),O[n]}function l(n){function t(n){return e.apply(this,n)}var e=k[n];return t.prototype=e.prototype,new t(r(arguments,1))}function g(n){var t=$();return"string"==typeof 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\ No newline at end of file
diff --git a/package.json b/package.json
index 9261895..6e7a826 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "gmap3",
-  "version": "7.0.0",
-  "date": "2016-03-28",
+  "version": "7.1.0",
+  "date": "2016-04-17",
   "description": "jQuery plugin to generate Google Maps",
   "homepage": "http://gmap3.net",
   "main": "dist/gmap3.min.js",
diff --git a/src/gmap3.js b/src/gmap3.js
index 9e73f65..4f9c053 100644
--- a/src/gmap3.js
+++ b/src/gmap3.js
@@ -1,7 +1,7 @@
 /*!
  *  GMAP3 Plugin for jQuery
- *  Version  : 7.0
- *  Date     : 2016/03/28
+ *  Version  : 7.1
+ *  Date     : 2016/04/17
  *  Author   : DEMONTE Jean-Baptiste
  *  Contact  : jbdemonte@gmail.com
  *  Web site : http://gmap3.net