diff --git a/src/loggly.tracker-2.1.min.js b/src/loggly.tracker-2.1.min.js
index 01760d0..246135e 100644
--- a/src/loggly.tracker-2.1.min.js
+++ b/src/loggly.tracker-2.1.min.js
@@ -1,2 +1,2 @@
-!function(a,b){function c(){return"xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g,function(a){var b=16*Math.random()|0,c="x"==a?b:3&b|8;return c.toString(16)})}function d(){this.key=!1,this.sendConsoleErrors=!1,this.tag="jslogger",this.useDomainProxy=!1}function e(a,b){a.key=b,a.setSession(),i(a)}function f(a,b){a.tag=b}function g(a,b){a.useDomainProxy=b,i(a)}function h(b,c){if(b.sendConsoleErrors=c,b.sendConsoleErrors===!0){var d=a.onerror;a.onerror=function(c,e,f,g){b.push({category:"BrowserJsException",exception:{message:c,url:e,lineno:f,colno:g}}),d&&"function"==typeof d&&d.apply(a,arguments)}}}function i(b){1==b.useDomainProxy?b.inputUrl=j+a.location.host+"/"+n+"/inputs/"+b.key+"/tag/"+b.tag:b.inputUrl=j+(b.logglyCollectorDomain||k)+"/inputs/"+b.key+"/tag/"+b.tag}var j="http"+("https:"===b.location.protocol?"s":"")+"://",k="logs-01.loggly.com",l="logglytrackingsession",m=l.length+1,n="loggly";d.prototype={setSession:function(a){a?(this.session_id=a,this.setCookie(this.session_id)):this.session_id||(this.session_id=this.readCookie(),this.session_id||(this.session_id=c(),this.setCookie(this.session_id)))},push:function(a){var b=typeof a;if(a&&("object"===b||"string"===b)){var c=this;if("string"===b)a={text:a};else{if(a.logglyCollectorDomain)return void(c.logglyCollectorDomain=a.logglyCollectorDomain);if(void 0!==a.sendConsoleErrors&&h(c,a.sendConsoleErrors),a.tag&&f(c,a.tag),a.useDomainProxy&&g(c,a.useDomainProxy),a.logglyKey)return void e(c,a.logglyKey);if(a.session_id)return void c.setSession(a.session_id)}c.key&&c.track(a)}},track:function(b){b.sessionId=this.session_id;try{var c=new XMLHttpRequest;c.open("POST",this.inputUrl,!0),c.setRequestHeader("Content-Type","text/plain"),c.send(JSON.stringify(b))}catch(d){a&&a.console&&"function"==typeof a.console.log&&(console.log("Failed to log to loggly because of this exception:\n"+d),console.log("Failed log data:",b))}},readCookie:function(){var a=b.cookie,c=a.indexOf(l);if(0>c)return!1;var d=a.indexOf(";",c+1);return d=0>d?a.length:d,a.slice(c+m,d)},setCookie:function(a){b.cookie=l+"="+a}};var o=a._LTracker,p=new d;if(o&&o.length){var q=0,r=o.length;for(q=0;r>q;q++)p.push(o[q])}a._LTracker=p,a.LogglyTracker=d}(window,document);
+!function(a,b){function c(){return"xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g,function(a){var b=16*Math.random()|0,c="x"==a?b:3&b|8;return c.toString(16)})}function d(){this.key=!1,this.sendConsoleErrors=!1,this.tag="jslogger",this.useDomainProxy=!1}function e(a,b){a.key=b,a.setSession(),i(a)}function f(a,b){a.tag=b}function g(a,b){a.useDomainProxy=b,i(a)}function h(b,c){if(b.sendConsoleErrors=c,b.sendConsoleErrors===!0){var d=a.onerror;a.onerror=function(c,e,f,g){b.push({category:"BrowserJsException",exception:{message:c,url:e,lineno:f,colno:g}}),d&&"function"==typeof d&&d.apply(a,arguments)}}}function i(b){1==b.useDomainProxy?b.inputUrl=j+a.location.host+"/"+n+"/inputs/"+b.key+"/tag/"+b.tag:b.inputUrl=j+(b.logglyCollectorDomain||k)+"/inputs/"+b.key+"/tag/"+b.tag}var j="http"+("https:"===b.location.protocol?"s":"")+"://",k="logs-01.loggly.com",l="logglytrackingsession",m=l.length+1,n="loggly";d.prototype={setSession:function(a){a?(this.session_id=a,this.setCookie(this.session_id)):this.session_id||(this.session_id=this.readCookie(),this.session_id||(this.session_id=c(),this.setCookie(this.session_id)))},push:function(a,b){var c=typeof a;if(a&&("object"===c||"string"===c)){var d=this;if("string"===c)a={text:a};else{if(a.logglyCollectorDomain)return void(d.logglyCollectorDomain=a.logglyCollectorDomain);if(void 0!==a.sendConsoleErrors&&h(d,a.sendConsoleErrors),a.tag&&f(d,a.tag),a.useDomainProxy&&g(d,a.useDomainProxy),a.logglyKey)return void e(d,a.logglyKey);if(a.session_id)return void d.setSession(a.session_id)}d.key&&d.track(a,b)}},track:function(b,c){b.sessionId=this.session_id;try{var d=new XMLHttpRequest;d.open("POST",this.inputUrl,!0),d.setRequestHeader("Content-Type","text/plain"),d.send(JSON.stringify(b)),"function"==typeof c&&(d.onreadystatechange=function(a){c(a,b)})}catch(c){a&&a.console&&"function"==typeof a.console.log&&(console.log("Failed to log to loggly because of this exception:\n"+c),console.log("Failed log data:",b))}},readCookie:function(){var a=b.cookie,c=a.indexOf(l);if(c<0)return!1;var d=a.indexOf(";",c+1);return d=d<0?a.length:d,a.slice(c+m,d)},setCookie:function(a){b.cookie=l+"="+a}};var o=a._LTracker,p=new d;if(o&&o.length){var q=0,r=o.length;for(q=0;q<r;q++)p.push(o[q])}a._LTracker=p,a.LogglyTracker=d}(window,document);
 //# sourceMappingURL=loggly.tracker-2.1.min.map
\ No newline at end of file
diff --git a/src/loggly.tracker-2.1.min.map b/src/loggly.tracker-2.1.min.map
index c595636..bbbb6d1 100644
--- a/src/loggly.tracker-2.1.min.map
+++ b/src/loggly.tracker-2.1.min.map
@@ -1 +1 @@
-{"version":3,"sources":["loggly.tracker.js"],"names":["window","document","uuid","replace","c","r","Math","random","v","toString","LogglyTracker","this","key","sendConsoleErrors","tag","useDomainProxy","setKey","tracker","setSession","setInputUrl","setTag","setDomainProxy","setSendConsoleError","_onerror","onerror","msg","url","line","col","push","category","exception","message","lineno","colno","apply","arguments","inputUrl","LOGGLY_INPUT_PREFIX","location","host","LOGGLY_PROXY_DOMAIN","logglyCollectorDomain","LOGGLY_COLLECTOR_DOMAIN","protocol","LOGGLY_SESSION_KEY","LOGGLY_SESSION_KEY_LENGTH","length","prototype","session_id","setCookie","readCookie","data","type","self","text","undefined","logglyKey","track","sessionId","xmlHttp","XMLHttpRequest","open","setRequestHeader","send","JSON","stringify","ex","console","log","cookie","i","indexOf","end","slice","value","existing","_LTracker","eLength"],"mappings":"CAAA,SAAUA,EAAQC,GAOd,QAASC,KAEL,MAAO,uCAAuCC,QAAQ,QAAS,SAASC,GACpE,GAAIC,GAAkB,GAAdC,KAAKC,SAAY,EAAGC,EAAS,KAALJ,EAAWC,EAAO,EAAFA,EAAM,CACtD,OAAOG,GAAEC,SAAS,MAI1B,QAASC,KACLC,KAAKC,KAAM,EACjBD,KAAKE,mBAAoB,EACnBF,KAAKG,IAAM,WACXH,KAAKI,gBAAiB,EAG1B,QAASC,GAAOC,EAASL,GACrBK,EAAQL,IAAMA,EACdK,EAAQC,aACRC,EAAYF,GAGhB,QAASG,GAAOH,EAASH,GACrBG,EAAQH,IAAMA,EAGlB,QAASO,GAAeJ,EAASF,GAC7BE,EAAQF,eAAiBA,EAEzBI,EAAYF,GAGhB,QAASK,GAAoBL,EAASJ,GAGzC,GAFAI,EAAQJ,kBAAoBA,EAEzBI,EAAQJ,qBAAsB,EAAK,CAC3B,GAAIU,GAAWvB,EAAOwB,OAEtBxB,GAAOwB,QAAU,SAAUC,EAAKC,EAAKC,EAAMC,GACvCX,EAAQY,MACJC,SAAU,qBACVC,WACIC,QAASP,EACTC,IAAKA,EACLO,OAAQN,EACRO,MAAON,KAIXL,GAAgC,kBAAbA,IACnBA,EAASY,MAAMnC,EAAQoC,aAMvC,QAASjB,GAAYF,GAEY,GAA1BA,EAAQF,eACPE,EAAQoB,SAAWC,EACjBtC,EAAOuC,SAASC,KAChB,IACAC,EACA,WACAxB,EAAQL,IACR,QACAK,EAAQH,IAGVG,EAAQoB,SAAWC,GAChBrB,EAAQyB,uBAAyBC,GAClC,WACA1B,EAAQL,IACR,QACAK,EAAQH,IA/ElB,GAAIwB,GAAsB,QAAY,WAAarC,EAASsC,SAASK,SAAW,IAAM,IAAQ,MAC9FD,EAA0B,qBAC1BE,EAAqB,wBACrBC,EAA4BD,EAAmBE,OAAS,EACxDN,EAAsB,QA+EtB/B,GAAcsC,WACV9B,WAAY,SAAS+B,GACdA,GACCtC,KAAKsC,WAAaA,EAClBtC,KAAKuC,UAAUvC,KAAKsC,aACTtC,KAAKsC,aAChBtC,KAAKsC,WAAatC,KAAKwC,aACnBxC,KAAKsC,aACLtC,KAAKsC,WAAa/C,IAClBS,KAAKuC,UAAUvC,KAAKsC,eAIhCpB,KAAM,SAASuB,GACX,GAAIC,SAAcD,EAElB,IAAKA,IAAmB,WAATC,GAA8B,WAATA,GAApC,CAIA,GAAIC,GAAO3C,IAGX,IAAY,WAAT0C,EACCD,GACIG,KAAQH,OAET,CACH,GAAGA,EAAKV,sBAEJ,YADAY,EAAKZ,sBAAwBU,EAAKV,sBAgBtC,IAZgBc,SAA3BJ,EAAKvC,mBACJS,EAAoBgC,EAAMF,EAAKvC,mBAGhCuC,EAAKtC,KACUM,EAAOkC,EAAMF,EAAKtC,KAGjCsC,EAAKrC,gBACUM,EAAeiC,EAAMF,EAAKrC,gBAG3BqC,EAAKK,UAEJ,WADAzC,GAAOsC,EAAMF,EAAKK,UAItB,IAAGL,EAAKH,WAEJ,WADAK,GAAKpC,WAAWkC,EAAKH,YAKzBK,EAAK1C,KAIT0C,EAAKI,MAAMN,KAIfM,MAAO,SAASN,GAEZA,EAAKO,UAAYhD,KAAKsC,UAEtB,KAEI,GAAIW,GAAU,GAAIC,eAChCD,GAAQE,KAAK,OAAQnD,KAAK0B,UAAU,GACpCuB,EAAQG,iBAAiB,eAAgB,cACzCH,EAAQI,KAAKC,KAAKC,UAAUd,IAEhB,MAAOe,GACDnE,GAAUA,EAAOoE,SAAyC,kBAAvBpE,GAAOoE,QAAQC,MAClDD,QAAQC,IAAI,uDAAyDF,GACrEC,QAAQC,IAAI,mBAAoBjB,MAO5CD,WAAY,WACR,GAAImB,GAASrE,EAASqE,OACtBC,EAAID,EAAOE,QAAQ3B,EACnB,IAAO,EAAJ0B,EACC,OAAO,CAEP,IAAIE,GAAMH,EAAOE,QAAQ,IAAKD,EAAI,EAElC,OADAE,GAAY,EAANA,EAAUH,EAAOvB,OAAS0B,EACzBH,EAAOI,MAAMH,EAAIzB,EAA2B2B,IAG3DvB,UAAW,SAASyB,GAChB1E,EAASqE,OAASzB,EAAqB,IAAM8B,GAIrD,IAAIC,GAAW5E,EAAO6E,UAElB5D,EAAU,GAAIP,EAElB,IAAGkE,GAAYA,EAAS7B,OAAS,CAC7B,GAAIwB,GAAI,EACRO,EAAUF,EAAS7B,MACnB,KAAIwB,EAAI,EAAOO,EAAJP,EAAaA,IACpBtD,EAAQY,KAAK+C,EAASL,IAI9BvE,EAAO6E,UAAY5D,EAEnBjB,EAAOU,cAAgBA,GAExBV,OAAQC","file":"loggly.tracker-2.1.min.js"}
\ No newline at end of file
+{"version":3,"sources":["loggly.tracker.js"],"names":["window","document","uuid","replace","c","r","Math","random","v","toString","LogglyTracker","this","key","sendConsoleErrors","tag","useDomainProxy","setKey","tracker","setSession","setInputUrl","setTag","setDomainProxy","setSendConsoleError","_onerror","onerror","msg","url","line","col","push","category","exception","message","lineno","colno","apply","arguments","inputUrl","LOGGLY_INPUT_PREFIX","location","host","LOGGLY_PROXY_DOMAIN","logglyCollectorDomain","LOGGLY_COLLECTOR_DOMAIN","protocol","LOGGLY_SESSION_KEY","LOGGLY_SESSION_KEY_LENGTH","length","prototype","session_id","setCookie","readCookie","data","callback","type","self","text","undefined","logglyKey","track","sessionId","xmlHttp","XMLHttpRequest","open","setRequestHeader","send","JSON","stringify","onreadystatechange","event","ex","console","log","cookie","i","indexOf","end","slice","value","existing","_LTracker","eLength"],"mappings":"CAAA,SAAUA,EAAQC,GAOd,QAASC,KAEL,MAAO,uCAAuCC,QAAQ,QAAS,SAASC,GACpE,GAAIC,GAAkB,GAAdC,KAAKC,SAAY,EAAGC,EAAS,KAALJ,EAAWC,EAAO,EAAFA,EAAM,CACtD,OAAOG,GAAEC,SAAS,MAI1B,QAASC,KACLC,KAAKC,KAAM,EACjBD,KAAKE,mBAAoB,EACnBF,KAAKG,IAAM,WACXH,KAAKI,gBAAiB,EAG1B,QAASC,GAAOC,EAASL,GACrBK,EAAQL,IAAMA,EACdK,EAAQC,aACRC,EAAYF,GAGhB,QAASG,GAAOH,EAASH,GACrBG,EAAQH,IAAMA,EAGlB,QAASO,GAAeJ,EAASF,GAC7BE,EAAQF,eAAiBA,EAEzBI,EAAYF,GAGhB,QAASK,GAAoBL,EAASJ,GAGzC,GAFAI,EAAQJ,kBAAoBA,EAEzBI,EAAQJ,qBAAsB,EAAK,CAC3B,GAAIU,GAAWvB,EAAOwB,OAEtBxB,GAAOwB,QAAU,SAAUC,EAAKC,EAAKC,EAAMC,GACvCX,EAAQY,MACJC,SAAU,qBACVC,WACIC,QAASP,EACTC,IAAKA,EACLO,OAAQN,EACRO,MAAON,KAIXL,GAAgC,kBAAbA,IACnBA,EAASY,MAAMnC,EAAQoC,aAMvC,QAASjB,GAAYF,GAEY,GAA1BA,EAAQF,eACPE,EAAQoB,SAAWC,EACjBtC,EAAOuC,SAASC,KAChB,IACAC,EACA,WACAxB,EAAQL,IACR,QACAK,EAAQH,IAGVG,EAAQoB,SAAWC,GAChBrB,EAAQyB,uBAAyBC,GAClC,WACA1B,EAAQL,IACR,QACAK,EAAQH,IA/ElB,GAAIwB,GAAsB,QAAY,WAAarC,EAASsC,SAASK,SAAW,IAAM,IAAQ,MAC9FD,EAA0B,qBAC1BE,EAAqB,wBACrBC,EAA4BD,EAAmBE,OAAS,EACxDN,EAAsB,QA+EtB/B,GAAcsC,WACV9B,WAAY,SAAS+B,GACdA,GACCtC,KAAKsC,WAAaA,EAClBtC,KAAKuC,UAAUvC,KAAKsC,aACTtC,KAAKsC,aAChBtC,KAAKsC,WAAatC,KAAKwC,aACnBxC,KAAKsC,aACLtC,KAAKsC,WAAa/C,IAClBS,KAAKuC,UAAUvC,KAAKsC,eAIhCpB,KAAM,SAASuB,EAAMC,GACjB,GAAIC,SAAcF,EAElB,IAAKA,IAAmB,WAATE,GAA8B,WAATA,GAApC,CAIA,GAAIC,GAAO5C,IAGX,IAAY,WAAT2C,EACCF,GACII,KAAQJ,OAET,CACH,GAAGA,EAAKV,sBAEJ,YADAa,EAAKb,sBAAwBU,EAAKV,sBAgBtC,IAZgBe,SAA3BL,EAAKvC,mBACJS,EAAoBiC,EAAMH,EAAKvC,mBAGhCuC,EAAKtC,KACUM,EAAOmC,EAAMH,EAAKtC,KAGjCsC,EAAKrC,gBACUM,EAAekC,EAAMH,EAAKrC,gBAG3BqC,EAAKM,UAEJ,WADA1C,GAAOuC,EAAMH,EAAKM,UAItB,IAAGN,EAAKH,WAEJ,WADAM,GAAKrC,WAAWkC,EAAKH,YAKzBM,EAAK3C,KAIT2C,EAAKI,MAAMP,EAAMC,KAIrBM,MAAO,SAASP,EAAMC,GAElBD,EAAKQ,UAAYjD,KAAKsC,UAEtB,KAEI,GAAIY,GAAU,GAAIC,eAChCD,GAAQE,KAAK,OAAQpD,KAAK0B,UAAU,GACpCwB,EAAQG,iBAAiB,eAAgB,cACzCH,EAAQI,KAAKC,KAAKC,UAAUf,IACL,kBAAbC,KACNQ,EAAQO,mBAAqB,SAASC,GAAOhB,EAASgB,EAAMjB,KAGpD,MAAOkB,GACDtE,GAAUA,EAAOuE,SAAyC,kBAAvBvE,GAAOuE,QAAQC,MAClDD,QAAQC,IAAI,uDAAyDF,GACrEC,QAAQC,IAAI,mBAAoBpB,MAO5CD,WAAY,WACR,GAAIsB,GAASxE,EAASwE,OACtBC,EAAID,EAAOE,QAAQ9B,EACnB,IAAG6B,EAAI,EACH,OAAO,CAEP,IAAIE,GAAMH,EAAOE,QAAQ,IAAKD,EAAI,EAElC,OADAE,GAAMA,EAAM,EAAIH,EAAO1B,OAAS6B,EACzBH,EAAOI,MAAMH,EAAI5B,EAA2B8B,IAG3D1B,UAAW,SAAS4B,GAChB7E,EAASwE,OAAS5B,EAAqB,IAAMiC,GAIrD,IAAIC,GAAW/E,EAAOgF,UAElB/D,EAAU,GAAIP,EAElB,IAAGqE,GAAYA,EAAShC,OAAS,CAC7B,GAAI2B,GAAI,EACRO,EAAUF,EAAShC,MACnB,KAAI2B,EAAI,EAAGA,EAAIO,EAASP,IACpBzD,EAAQY,KAAKkD,EAASL,IAI9B1E,EAAOgF,UAAY/D,EAEnBjB,EAAOU,cAAgBA,GAExBV,OAAQC","file":"loggly.tracker-2.1.min.js"}
\ No newline at end of file
diff --git a/src/loggly.tracker.js b/src/loggly.tracker.js
index 6f49d14..ffc6bf4 100644
--- a/src/loggly.tracker.js
+++ b/src/loggly.tracker.js
@@ -95,7 +95,7 @@
                 }
             }
         },
-        push: function(data) {
+        push: function(data, callback) {
             var type = typeof data;
             
             if( !data || !(type === 'object' || type === 'string') ) {
@@ -142,11 +142,11 @@
                 return;
             }
             
-            self.track(data);
+            self.track(data, callback);
             
             
         },
-        track: function(data) {
+        track: function(data, callback) {
             // inject session id
             data.sessionId = this.session_id;
             
@@ -156,7 +156,10 @@
 		xmlHttp.open('POST', this.inputUrl, true); //true for asynchronous request
 		xmlHttp.setRequestHeader('Content-Type', 'text/plain');
 		xmlHttp.send(JSON.stringify(data));
-                
+		if(typeof callback === "function"){
+		    xmlHttp.onreadystatechange = function(event){callback(event,data)};
+        }
+
             } catch (ex) {
                 if (window && window.console && typeof window.console.log === 'function') {
                     console.log("Failed to log to loggly because of this exception:\n" + ex);