diff --git a/SimpleAjaxUploader.js b/SimpleAjaxUploader.js
index 29ced73..c973dd8 100644
--- a/SimpleAjaxUploader.js
+++ b/SimpleAjaxUploader.js
@@ -1,6 +1,6 @@
 /**
  * Simple Ajax Uploader
- * Version 2.6.3
+ * Version 2.6.4
  * https://github.com/LPology/Simple-Ajax-Uploader
  *
  * Copyright 2012-2017 LPology, LLC
@@ -1998,7 +1998,7 @@ ss.extendObj( ss.SimpleUpload.prototype, {
         }
 
         ss.addStyles( div, {
-            'display' : 'block',
+            'display' : 'none',
             'position' : 'relative',
             'overflow' : 'hidden',
             'margin' : 0,
diff --git a/SimpleAjaxUploader.min.js b/SimpleAjaxUploader.min.js
index 3749754..5ad5a9f 100644
--- a/SimpleAjaxUploader.min.js
+++ b/SimpleAjaxUploader.min.js
@@ -1,2 +1,2 @@
-/** Simple Ajax Uploader v2.6.3 Copyright 2012-2015 LPology, LLC  MIT license https://github.com/LPology/Simple-Ajax-Uploader */
-!function(e,t){"function"==typeof define&&define.amd?define(function(){return t(e)}):"object"==typeof module&&module.exports?module.exports=t(e):e.ss=t(e)}("undefined"!=typeof window?window:this,function(e){var t,s=e.ss||{},n=/^\s+/,i=/\s+$/,o=/[xy]/g,r=/.*(\/|\\)/,a=/.*[.]/,u=/[\t\r\n]/g,l=Object.prototype.toString.call(e.HTMLElement).indexOf("Constructor")>0,d=-1!==navigator.userAgent.indexOf("MSIE")&&-1===navigator.userAgent.indexOf("MSIE 1"),c=-1!==navigator.userAgent.indexOf("MSIE 7"),p=document.createElement("input");p.type="file",t="multiple"in p&&"undefined"!=typeof File&&void 0!==(new XMLHttpRequest).upload,s.obj2string=function(e,t){"use strict";var n=[];for(var i in e)if(e.hasOwnProperty(i)){var o=t?t+"["+i+"]":i,r=e[i];n.push("object"==typeof r?s.obj2string(r,o):encodeURIComponent(o)+"="+encodeURIComponent(r))}return n.join("&")},s.extendObj=function(e,t){"use strict";for(var s in t)t.hasOwnProperty(s)&&(e[s]=t[s])},s.addEvent=function(e,t,n){"use strict";return e.addEventListener?e.addEventListener(t,n,!1):e.attachEvent("on"+t,n),function(){s.removeEvent(e,t,n)}},s.removeEvent=document.removeEventListener?function(e,t,s){e.removeEventListener&&e.removeEventListener(t,s,!1)}:function(e,t,s){var n="on"+t;void 0===e[n]&&(e[n]=null),e.detachEvent(n,s)},s.newXHR=function(){"use strict";if("undefined"!=typeof XMLHttpRequest)return new e.XMLHttpRequest;if(e.ActiveXObject)try{return new e.ActiveXObject("Microsoft.XMLHTTP")}catch(e){return!1}},s.encodeUTF8=function(e){"use strict";return unescape(encodeURIComponent(e))},s.getIFrame=function(){"use strict";var e,t=s.getUID();return c?e=document.createElement('<iframe src="javascript:false;" name="'+t+'">'):((e=document.createElement("iframe")).src="javascript:false;",e.name=t),e.style.display="none",e.id=t,e},s.getForm=function(e){"use strict";var t=document.createElement("form");for(var s in t.encoding="multipart/form-data",t.enctype="multipart/form-data",t.style.display="none",e)e.hasOwnProperty(s)&&(t[s]=e[s]);return t},s.getHidden=function(e,t){"use strict";var s=document.createElement("input");return s.type="hidden",s.name=e,s.value=t,s},s.parseJSON=function(t){"use strict";if(!t)return!1;if(t=s.trim(t+""),e.JSON&&e.JSON.parse)try{return e.JSON.parse(t+"")}catch(e){return!1}var n,i=null;return!(!t||s.trim(t.replace(/(,)|(\[|{)|(}|])|"(?:[^"\\\r\n]|\\["\\\/bfnrt]|\\u[\da-fA-F]{4})*"\s*:?|true|false|null|-?(?!0\d)\d+(?:\.\d+|)(?:[eE][+-]?\d+|)/g,function(e,t,s,o){return n&&t&&(i=0),0===i?e:(n=s||t,i+=!o-!s,"")})))&&Function("return "+t)()},s.getBox=function(t){"use strict";var s,n,i=0,o=0;if(t.getBoundingClientRect)s=t.getBoundingClientRect(),n=document.documentElement,i=s.top+(e.pageYOffset||n.scrollTop)-(n.clientTop||0),o=s.left+(e.pageXOffset||n.scrollLeft)-(n.clientLeft||0);else do{o+=t.offsetLeft,i+=t.offsetTop}while(t=t.offsetParent);return{top:Math.round(i),left:Math.round(o)}},s.addStyles=function(e,t){"use strict";for(var s in t)t.hasOwnProperty(s)&&(e.style[s]=t[s])},s.copyLayout=function(e,t){"use strict";var n=s.getBox(e);s.addStyles(t,{position:"relative",left:n.left+"px",top:n.top+"px",width:e.offsetWidth+"px",height:e.offsetHeight+"px"})},s.getUID=function(){"use strict";return"axxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(o,function(e){var t=16*Math.random()|0;return("x"==e?t:3&t|8).toString(16)})};var h="".trim;s.trim=h&&!h.call("\ufeff ")?function(e){return null===e?"":h.call(e)}:function(e){return null===e?"":e.toString().replace(n,"").replace(i,"")};return s.indexOf=[].indexOf?function(e,t){return e.indexOf(t)}:function(e,t){for(var s=0,n=e.length;s<n;s++)if(e[s]===t)return s;return-1},s.arrayDelete=function(e,t){var n=s.indexOf(e,t);n>-1&&e.splice(n,1)},s.getFilename=function(e){"use strict";return e.replace(r,"")},s.getExt=function(e){"use strict";return-1!==e.indexOf(".")?e.replace(a,""):""},s.isVisible=function(e){"use strict";return!!e&&(1!==e.nodeType||e==document.body?(e=null,!0):e.parentNode&&(e.offsetWidth>0||e.offsetHeight>0||"none"!=s.getStyle(e,"display").toLowerCase())?s.isVisible(e.parentNode):(e=null,!1))},s.getStyle=function(t,s){"use strict";return e.getComputedStyle?t.ownerDocument.defaultView.getComputedStyle(t,null).getPropertyValue(s):t.currentStyle&&t.currentStyle[s]?t.currentStyle[s]:void 0},s.getFormObj=function(e){"use strict";for(var t,n=e.elements,i=["button","submit","image","reset"],o={},r=0,a=n.length;r<a;r++)if(t={},n[r].name&&!n[r].disabled&&-1===s.indexOf(i,n[r].type)){if(("checkbox"==n[r].type||"radio"==n[r].type)&&!n[r].checked)continue;t[n[r].name]=s.val(n[r]),s.extendObj(o,t)}return o},s.val=function(e){"use strict";if(e){if("SELECT"==e.nodeName.toUpperCase()){for(var t,s=e.options,n=e.selectedIndex,i="select-one"===e.type||n<0,o=i?null:[],r=0,a=s.length;r<a;r++)if((s[r].selected||r===n)&&!s[r].disabled){if(t=s[r].value?s[r].value:s[r].text,i)return t;o.push(t)}return o}return e.value}},s.hasClass=function(e,t){"use strict";return!(!e||!t)&&(" "+e.className+" ").replace(u," ").indexOf(" "+t+" ")>=0},s.addClass=function(e,t){"use strict";if(!e||!t)return!1;s.hasClass(e,t)||(e.className+=" "+t)},s.removeClass=function(){"use strict";var e={};return function(t,s){if(!t||!s)return!1;e[s]||(e[s]=new RegExp("(?:^|\\s)"+s+"(?!\\S)")),t.className=t.className.replace(e[s],"")}}(),s.purge=function(e){"use strict";var t,n,i,o=e.attributes;if(o)for(t=o.length-1;t>=0;t-=1)"function"==typeof e[i=o[t].name]&&(e[i]=null);if(o=e.childNodes)for(n=o.length,t=0;t<n;t+=1)s.purge(e.childNodes[t])},s.remove=function(e){"use strict";e&&e.parentNode&&(s.purge(e),e.parentNode.removeChild(e)),e=null},s.verifyElem=function(t){"use strict";return"undefined"!=typeof jQuery&&t instanceof jQuery?t=t[0]:"string"==typeof t&&("#"==t.charAt(0)&&(t=t.substr(1)),t=document.getElementById(t)),!(!t||1!==t.nodeType)&&("A"==t.nodeName.toUpperCase()&&(t.style.cursor="pointer",s.addEvent(t,"click",function(t){t&&t.preventDefault?t.preventDefault():e.event&&(e.event.returnValue=!1)})),t)},s._options={},s.uploadSetup=function(e){"use strict";s.extendObj(s._options,e)},s.SimpleUpload=function(e){"use strict";if(this._opts={button:"",url:"",dropzone:"",dragClass:"",form:"",overrideSubmit:!0,cors:!1,withCredentials:!1,progressUrl:!1,sessionProgressUrl:!1,nginxProgressUrl:!1,multiple:!1,multipleSelect:!1,maxUploads:3,queue:!0,checkProgressInterval:500,keyParamName:"APC_UPLOAD_PROGRESS",sessionProgressName:"PHP_SESSION_UPLOAD_PROGRESS",nginxProgressHeader:"X-Progress-ID",customProgressHeaders:{},corsInputName:"XHR_CORS_TARGETORIGIN",allowedExtensions:[],accept:"",maxSize:!1,name:"",data:{},noParams:!0,autoSubmit:!0,multipart:!0,method:"POST",responseType:"",debug:!1,hoverClass:"",focusClass:"",disabledClass:"",customHeaders:{},encodeHeaders:!0,autoCalibrate:!0,onBlankSubmit:function(){},onAbort:function(e,t,s){},onChange:function(e,t,s,n,i){},onSubmit:function(e,t,s,n){},onProgress:function(e){},onUpdateFileSize:function(e){},onComplete:function(e,t,s,n){},onDone:function(e,t,s,n,i,o){},onAllDone:function(){},onExtError:function(e,t){},onSizeError:function(e,t,s){},onError:function(e,t,s,n,i,o,r){},startXHR:function(e,t,s){},endXHR:function(e,t,s){},startNonXHR:function(e,t){},endNonXHR:function(e,t){}},s.extendObj(this._opts,s._options),s.extendObj(this._opts,e),this._queue=[],this._active=0,this._disabled=!1,this._maxFails=10,this._progKeys={},this._sizeFlags={},this._btns=[],this.addButton(this._opts.button),delete 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Make sure the element you're passing exists.");""!==this._opts.form&&this.setForm(this._opts.form),this._createInput(),this._manDisabled=!1,this.enable(!0)},s.SimpleUpload.prototype={destroy:function(){"use strict";for(var e=this._btns.length;e--;)this._btns[e].off&&this._btns[e].off(),s.removeClass(this._btns[e],this._opts.hoverClass),s.removeClass(this._btns[e],this._opts.focusClass),s.removeClass(this._btns[e],this._opts.disabledClass),this._btns[e].disabled=!1;this._killInput(),this._destroy=!0},log:function(t){"use strict";this._opts&&this._opts.debug&&e.console&&e.console.log&&e.console.log("[Uploader] "+t)},setData:function(e){"use strict";this._opts.data=e},setOptions:function(e){"use strict";s.extendObj(this._opts,e)},addButton:function(e){var t;if(e instanceof Array)for(var n=0,i=e.length;n<i;n++)!1!==(t=s.verifyElem(e[n]))?this._btns.push(this.rerouteClicks(t)):this.log("Button with array index "+n+" is invalid");else!1!==(t=s.verifyElem(e))&&this._btns.push(this.rerouteClicks(t))},addDZ:function(e){t&&((e=s.verifyElem(e))?this.addDropZone(e):this.log("Invalid or nonexistent element passed for drop zone"))},setProgressBar:function(e){"use strict";this._progBar=s.verifyElem(e)},setPctBox:function(e){"use strict";this._pctBox=s.verifyElem(e)},setFileSizeBox:function(e){"use strict";this._sizeBox=s.verifyElem(e)},setProgressContainer:function(e){"use strict";this._progBox=s.verifyElem(e)},setAbortBtn:function(e,t){"use strict";this._abortBtn=s.verifyElem(e),this._removeAbort=!1,t&&(this._removeAbort=!0)},setForm:function(t){"use strict";if(this._form=s.verifyElem(t),this._form&&"FORM"==this._form.nodeName.toUpperCase()){var n=this;this._opts.autoSubmit=!1,this._opts.overrideSubmit&&(s.addEvent(this._form,"submit",function(t){t.preventDefault?t.preventDefault():e.event&&(e.event.returnValue=!1),n._validateForm()&&n.submit()}),this._form.submit=function(){n._validateForm()&&n.submit()})}else this.log("Invalid or nonexistent element passed for form")},getQueueSize:function(){"use strict";return this._queue.length},removeCurrent:function(e){"use strict";if(e){for(var t=this._queue.length;t--;)if(this._queue[t].id===e){this._queue.splice(t,1);break}}else this._queue.splice(0,1);this._cycleQueue()},clearQueue:function(){"use strict";this._queue.length=0},disable:function(e){"use strict";var t,n=this._btns.length;for(this._manDisabled=!e||!0===this._manDisabled,this._disabled=!0;n--;)"INPUT"!=(t=this._btns[n].nodeName.toUpperCase())&&"BUTTON"!=t||(this._btns[n].disabled=!0),""!==this._opts.disabledClass&&s.addClass(this._btns[n],this._opts.disabledClass);this._input&&this._input.parentNode&&(this._input.parentNode.style.visibility="hidden")},enable:function(e){"use strict";if(e||(this._manDisabled=!1),!0!==this._manDisabled){var t=this._btns.length;for(this._disabled=!1;t--;)s.removeClass(this._btns[t],this._opts.disabledClass),this._btns[t].disabled=!1}},updatePosition:function(e){"use strict";(e=e||this._btns[0])&&this._input&&this._input.parentNode&&s.copyLayout(e,this._input.parentNode),e=null},rerouteClicks:function(t){"use strict";var n,i,o=this;if(n=s.addEvent(t,"mouseover",function(){o._disabled||(o._input||o._createInput(),o._overBtn=t,s.copyLayout(t,o._input.parentNode),o._input.parentNode.style.visibility="visible")}),i=s.addEvent(t,"click",function(e){e&&e.preventDefault&&e.preventDefault(),o._disabled||(o._input||o._createInput(),o._overBtn=t,d||o._input.click())}),t.off=function(){n(),i()},o._opts.autoCalibrate&&!s.isVisible(t)){o.log("Upload button not visible");var r=function(){s.isVisible(t)?(o.log("Upload button now visible"),e.setTimeout(function(){o.updatePosition(t),1===o._btns.length&&(o._input.parentNode.style.visibility="hidden")},200)):e.setTimeout(r,500)};e.setTimeout(r,500)}return t},submit:function(e,t){"use strict";!t&&this._queue.length<1?this._opts.onBlankSubmit.call(this):this._disabled||this._active>=this._opts.maxUploads||this._queue.length<1||this._checkFile(this._queue[0])&&(!1!==this._opts.onSubmit.call(this,this._queue[0].name,this._queue[0].ext,this._queue[0].btn,this._queue[0].size)?(this._active++,(!1===this._opts.multiple||!1===this._opts.queue&&this._active>=this._opts.maxUploads)&&this.disable(!0),this._initUpload(this._queue[0])):this.removeCurrent(this._queue[0].id))}},s.IframeUpload={_detachEvents:{},_detach:function(e){this._detachEvents[e]&&(this._detachEvents[e](),delete this._detachEvents[e])},_getHost:function(e){var t=document.createElement("a");return t.href=e,t.hostname?t.hostname.toLowerCase():e},_addFiles:function(e){var t=s.getFilename(e.value),n=s.getExt(t);return!1!==this._opts.onChange.call(this,t,n,this._overBtn,void 0,e)&&(this._queue.push({id:s.getUID(),file:e,name:t,ext:n,btn:this._overBtn,size:null}),!0)},_uploadIframe:function(t,n,i,o,r,a,u){"use strict";var l,d,c,p=this,h=this._opts,f=s.getUID(),_=s.getIFrame(),m=!1,g=!1;if(d=!0===h.noParams?h.url:h.nginxProgressUrl?d+(d.indexOf("?")>-1?"&":"?")+encodeURIComponent(h.nginxProgressHeader)+"="+encodeURIComponent(f):h.url,l=s.getForm({action:d,target:_.name,method:h.method}),h.onProgress.call(this,0),r&&(r.innerHTML="0%"),o&&(o.style.width="0%"),h.cors){var v=s.getUID();p._detachEvents[v]=s.addEvent(e,"message",function(e){p._getHost(e.origin)==p._getHost(h.url)?(m=!0,p._detach(v),h.endNonXHR.call(p,t.name,t.btn),p._finish(t,"","",e.data,i,n,r,a,u)):p.log("Non-matching origin: "+e.origin)})}p._detachEvents[_.id]=s.addEvent(_,"load",function(){for(var d in p._detach(_.id),h.sessionProgressUrl?l.appendChild(s.getHidden(h.sessionProgressName,f)):h.progressUrl&&l.appendChild(s.getHidden(h.keyParamName,f)),p._form&&s.extendObj(h.data,s.getFormObj(p._form)),h.data)h.data.hasOwnProperty(d)&&l.appendChild(s.getHidden(d,h.data[d]));h.cors&&l.appendChild(s.getHidden(h.corsInputName,e.location.href)),l.appendChild(t.file),p._detachEvents[t.id]=s.addEvent(_,"load",function(){if(_&&_.parentNode&&!g)if(p._detach(t.id),g=!0,delete p._progKeys[f],delete p._sizeFlags[f],a&&s.removeEvent(a,"click",c),h.cors)e.setTimeout(function(){s.remove(_),m||p._errorFinish(t,"","",!1,"error",n,i,r,a,u),h=f=_=i=n=r=a=u=null},600);else{try{var o=(_.contentDocument?_.contentDocument:_.contentWindow.document).body.innerHTML;s.remove(_),_=null,h.endNonXHR.call(p,t.name,t.btn),p._finish(t,"","",o,i,n,r,a,u)}catch(e){p._errorFinish(t,"",e.message,!1,"error",n,i,r,a,u)}h=f=i=n=r=null}}),a&&(c=function(){if(s.removeEvent(a,"click",c),delete p._progKeys[f],delete p._sizeFlags[f],_){g=!0,p._detach(t.id);try{_.contentWindow.document.execCommand&&_.contentWindow.document.execCommand("Stop")}catch(e){}try{_.src="javascript".concat(":false;")}catch(e){}e.setTimeout(function(){s.remove(_),_=null},1)}p.log("Upload aborted"),h.onAbort.call(p,t.name,t.btn,t.size),p._last(i,n,r,a,u,t,"abort")},s.addEvent(a,"click",c)),p.log("Commencing upload using iframe"),l.submit(),e.setTimeout(function(){s.remove(l),l=null,p.removeCurrent(t.id)},1),p._hasProgUrl&&(p._progKeys[f]=1,e.setTimeout(function(){p._getProg(f,o,i,r,1),o=i=r=null},600))}),document.body.appendChild(l),document.body.appendChild(_)},_getProg:function(t,n,i,o,r){"use strict";var a,u,l,d=this,c=this._opts,p=(new Date).getTime();if(t&&c)if(c.nginxProgressUrl?u=c.nginxProgressUrl+"?"+encodeURIComponent(c.nginxProgressHeader)+"="+encodeURIComponent(t)+"&_="+p:c.sessionProgressUrl?u=c.sessionProgressUrl:c.progressUrl&&(u=c.progressUrl+"?progresskey="+encodeURIComponent(t)+"&_="+p),l=function(){var u,p,h,f,_;try{if(l&&(c.cors||4===a.readyState)){l=void 0,a.onreadystatechange=function(){};try{_=a.statusText,f=a.status}catch(e){_="",f=""}if(c.cors||f>=200&&f<300){if(!1===(u=s.parseJSON(a.responseText)))return void d.log("Error parsing progress response (expecting JSON)");if(c.nginxProgressUrl){if("uploading"==u.state)(p=parseInt(u.size,10))>0&&(h=Math.round(parseInt(u.received,10)/p*100),p=Math.round(p/1024));else if("done"==u.state)h=100;else if("error"==u.state)return void d.log("Error requesting upload progress: "+u.status)}else(c.sessionProgressUrl||c.progressUrl)&&!0===u.success&&(p=parseInt(u.size,10),h=parseInt(u.pct,10));if(h&&(o&&(o.innerHTML=h+"%"),n&&(n.style.width=h+"%"),c.onProgress.call(d,h)),p&&!d._sizeFlags[t]&&(i&&(i.innerHTML=p+"K"),d._sizeFlags[t]=1,c.onUpdateFileSize.call(d,p)),!h&&!p&&r>=d._maxFails)return r++,void d.log("Failed progress request limit reached. Count: "+r);h<100&&d._progKeys[t]&&e.setTimeout(function(){d._getProg(t,n,i,o,r),t=n=i=o=r=null},c.checkProgressInterval)}else delete d._progKeys[t],d.log("Error requesting upload progress: "+f+" "+_);a=p=h=f=_=u=null}}catch(e){d.log("Error requesting upload progress: "+e.message)}},c.cors&&!c.sessionProgressUrl){if(!e.XDomainRequest)return;(a=new e.XDomainRequest).open("GET",u,!0),a.onprogress=a.ontimeout=function(){},a.onload=l,a.onerror=function(){delete d._progKeys[t],t=null,d.log("Error requesting upload progress")}}else{var h,f=c.sessionProgressUrl?"POST":"GET",_={};for(var m in(a=s.newXHR()).onreadystatechange=l,a.open(f,u,!0),c.sessionProgressUrl&&(h=encodeURIComponent(c.sessionProgressName)+"="+encodeURIComponent(t),_["Content-Type"]="application/x-www-form-urlencoded"),c.nginxProgressUrl&&(_[c.nginxProgressHeader]=t),_["X-Requested-With"]="XMLHttpRequest",_.Accept="application/json, text/javascript, */*; q=0.01",s.extendObj(_,c.customProgressHeaders),_)_.hasOwnProperty(m)&&(c.encodeHeaders?a.setRequestHeader(m,s.encodeUTF8(_[m]+"")):a.setRequestHeader(m,_[m]+""));a.send(c.sessionProgressUrl&&h||null)}},_initUpload:function(e){if(!1===this._opts.startNonXHR.call(this,e.name,e.btn))return this._disabled&&this.enable(!0),void this._active--;this._hasProgUrl=!!(this._opts.progressUrl||this._opts.sessionProgressUrl||this._opts.nginxProgressUrl),this._uploadIframe(e,this._progBox,this._sizeBox,this._progBar,this._pctBox,this._abortBtn,this._removeAbort),e=this._progBox=this._sizeBox=this._progBar=this._pctBox=this._abortBtn=this._removeAbort=null}},s.XhrUpload={_addFiles:function(e){var t,n,i,o,r=e.length;for(this._opts.multiple||(r=1),o=0;o<r;o++){if(t=s.getFilename(e[o].name),n=s.getExt(t),i=Math.round(e[o].size/1024),!1===this._opts.onChange.call(this,t,n,this._overBtn,i,e[o]))return!1;this._queue.push({id:s.getUID(),file:e[o],name:t,ext:n,btn:this._overBtn,size:i})}return!0},_uploadXhr:function(e,t,n,i,o,r,a,u,l,d){"use strict";var c,p,h=this,f=this._opts,_=s.newXHR();for(var m in o&&(o.innerHTML=e.size+"K"),u&&(u.innerHTML="0%"),r&&(r.style.width="0%"),c=function(t,n){var i;try{if(c&&(n||4===_.readyState))if(c=void 0,_.onreadystatechange=function(){},n)4!==_.readyState&&_.abort(),f.onAbort.call(h,e.name,e.btn,e.size),h._last(o,a,u,l,d,e,"abort");else{l&&s.removeEvent(l,"click",p);try{i=_.statusText}catch(e){i=""}_.status>=200&&_.status<300?(f.endXHR.call(h,e.name,e.size,e.btn),h._finish(e,_.status,i,_.responseText,o,a,u,l,d)):h._errorFinish(e,_.status,i,_.responseText,"error",a,o,u,l,d)}}catch(t){n||h._errorFinish(e,-1,t.message,!1,"error",a,o,u,l,d)}},l&&(p=function(){s.removeEvent(l,"click",p),c&&c(void 0,!0)},s.addEvent(l,"click",p)),_.onreadystatechange=c,_.open(f.method.toUpperCase(),t,!0),_.withCredentials=!!f.withCredentials,s.extendObj(i,f.customHeaders),i)i.hasOwnProperty(m)&&(f.encodeHeaders?_.setRequestHeader(m,s.encodeUTF8(i[m]+"")):_.setRequestHeader(m,i[m]+""));if(s.addEvent(_.upload,"progress",function(e){if(e.lengthComputable){var t=Math.round(e.loaded/e.total*100);f.onProgress.call(h,t),u&&(u.innerHTML=t+"%"),r&&(r.style.width=t+"%")}}),f.onProgress.call(this,0),!0===f.multipart){var g=new FormData,v=!1;for(var b in n)n.hasOwnProperty(b)&&(b!==f.name||!0!==f.noParams||h._form||(v=!0),g.append(b,n[b]));v||g.append(f.name,e.file),this.log("Commencing upload using multipart form"),_.send(g)}else this.log("Commencing upload using binary stream"),_.send(e.file);this.removeCurrent(e.id)},_initUpload:function(e){"use strict";var t,n={},i={};if(!1===this._opts.startXHR.call(this,e.name,e.size,e.btn))return this._disabled&&this.enable(!0),void this._active--;i["X-Requested-With"]="XMLHttpRequest",i["X-File-Name"]=s.encodeUTF8(e.name),"json"==this._opts.responseType.toLowerCase()&&(i.Accept="application/json, text/javascript, */*; q=0.01"),this._opts.multipart||(i["Content-Type"]="application/octet-stream"),this._form&&s.extendObj(n,s.getFormObj(this._form)),s.extendObj(n,this._opts.data),t=!0===this._opts.noParams?this._opts.url:this._opts.url+(this._opts.url.indexOf("?")>-1?"&":"?")+s.obj2string(n),this._uploadXhr(e,t,n,i,this._sizeBox,this._progBar,this._progBox,this._pctBox,this._abortBtn,this._removeAbort),this._sizeBox=this._progBar=this._progBox=this._pctBox=this._abortBtn=this._removeAbort=null}},s.DragAndDrop={_dragFileCheck:function(e){if(e.dataTransfer.types)for(var t=0;t<e.dataTransfer.types.length;t++)if("Files"==e.dataTransfer.types[t])return!0;return!1},addDropZone:function(e){var t=this,n=[];s.addStyles(e,{zIndex:16777271}),e.ondragenter=function(e){return e.stopPropagation(),e.preventDefault(),!!t._dragFileCheck(e)&&(0===n.length&&s.addClass(this,t._opts.dragClass),-1===s.indexOf(n,e.target)&&n.push(e.target),!1)},e.ondragover=function(e){return e.stopPropagation(),e.preventDefault(),t._dragFileCheck(e)&&(e.dataTransfer.dropEffect="copy"),!1},e.ondragend=function(){return s.removeClass(this,t._opts.dragClass),!1},e.ondragleave=function(e){return s.arrayDelete(n,e.target),0===n.length&&s.removeClass(this,t._opts.dragClass),!1},e.ondrop=function(e){e.stopPropagation(),e.preventDefault(),s.arrayDelete(n,e.target),0===n.length&&s.removeClass(this,t._opts.dragClass),t._dragFileCheck(e)&&!1!==t._addFiles(e.dataTransfer.files)&&t._cycleQueue()}}},s.extendObj(s.SimpleUpload.prototype,{_createInput:function(){"use strict";var e=this,n=document.createElement("div");this._input=document.createElement("input"),this._input.type="file",this._input.name=this._opts.name,t&&!l&&this._opts.multipleSelect&&(this._input.multiple=!0),"accept"in this._input&&""!==this._opts.accept&&(this._input.accept=this._opts.accept),s.addStyles(n,{display:"block",position:"relative",overflow:"hidden",margin:0,padding:0,opacity:0,direction:"ltr",zIndex:16777270}),"0"!==n.style.opacity&&(n.style.filter="alpha(opacity=0)"),s.addStyles(this._input,{position:"relative",right:0,margin:0,padding:0,fontSize:"480px",fontFamily:"sans-serif",cursor:"pointer",height:"100%",zIndex:16777270}),this._input.turnOff=s.addEvent(this._input,"change",function(){e._input&&""!==e._input.value&&!1!==e._addFiles(t?e._input.files:e._input)&&(s.removeClass(e._overBtn,e._opts.hoverClass),s.removeClass(e._overBtn,e._opts.focusClass),e._killInput(),e._createInput(),e._opts.autoSubmit&&e.submit())}),""!==e._opts.hoverClass&&(n.mouseOverOff=s.addEvent(n,"mouseover",function(){s.addClass(e._overBtn,e._opts.hoverClass)})),n.mouseOutOff=s.addEvent(n,"mouseout",function(){e._input.parentNode.style.visibility="hidden",""!==e._opts.hoverClass&&(s.removeClass(e._overBtn,e._opts.hoverClass),s.removeClass(e._overBtn,e._opts.focusClass))}),""!==e._opts.focusClass&&(this._input.focusOff=s.addEvent(this._input,"focus",function(){s.addClass(e._overBtn,e._opts.focusClass)}),this._input.blurOff=s.addEvent(this._input,"blur",function(){s.removeClass(e._overBtn,e._opts.focusClass)})),n.appendChild(this._input),document.body.appendChild(n),n=null},_last:function(e,t,n,i,o,r,a,u,l){"use strict";if(e&&(e.innerHTML=""),n&&(n.innerHTML=""),i&&o&&s.remove(i),t&&s.remove(t),this._active--,e=t=n=i=o=null,this._disabled&&this.enable(!0),this._destroy&&0===this._queue.length&&0===this._active)for(var d in this)this.hasOwnProperty(d)&&delete this[d];else this._opts.onDone.call(this,r.name,u,a,l,r.btn,r.size),this._cycleQueue(),0===this._queue.length&&0===this._active&&this._opts.onAllDone.call(this);r=a=u=l=null},_errorFinish:function(e,t,s,n,i,o,r,a,u,l){"use strict";this.log("Upload failed: "+t+" "+s),this._opts.onError.call(this,e.name,i,t,s,n,e.btn,e.size),this._last(r,o,a,u,l,e,"error",t,n),s=i=r=o=a=u=l=null},_finish:function(e,t,n,i,o,r,a,u,l){"use strict";this.log("Server response: "+i),"json"!=this._opts.responseType.toLowerCase()||!1!==(i=s.parseJSON(i))?(this._opts.onComplete.call(this,e.name,i,e.btn,e.size),this._last(o,r,a,u,l,e,"success",t,i),n=o=r=a=u=l=null):this._errorFinish(e,t,n,!1,"parseerror",r,o,u,l)},_checkFile:function(e){"use strict";var t=!1,s=this._opts.allowedExtensions.length;if(s>0){for(;s--;)if(this._opts.allowedExtensions[s].toLowerCase()==e.ext.toLowerCase()){t=!0;break}if(!t)return this.removeCurrent(e.id),this.log("File extension not permitted"),this._opts.onExtError.call(this,e.name,e.ext),!1}return e.size&&!1!==this._opts.maxSize&&e.size>this._opts.maxSize?(this.removeCurrent(e.id),this.log(e.name+" exceeds "+this._opts.maxSize+"K limit"),this._opts.onSizeError.call(this,e.name,e.size,e.btn),!1):(e=null,!0)},_killInput:function(){"use strict";this._input&&(this._input.turnOff&&this._input.turnOff(),this._input.focusOff&&this._input.focusOff(),this._input.blurOff&&this._input.blurOff(),this._input.parentNode.mouseOverOff&&this._input.parentNode.mouseOverOff(),s.remove(this._input.parentNode),delete this._input,this._input=null)},_cycleQueue:function(){"use strict";this._queue.length>0&&this._opts.autoSubmit&&this.submit(void 0,!0)},_validateForm:function(){"use strict";return!(this._form.checkValidity&&!this._form.checkValidity())}}),t?s.extendObj(s.SimpleUpload.prototype,s.XhrUpload):s.extendObj(s.SimpleUpload.prototype,s.IframeUpload),s.extendObj(s.SimpleUpload.prototype,s.DragAndDrop),s});
\ No newline at end of file
+/** Simple Ajax Uploader v2.6.4 Copyright 2012-2015 LPology, LLC  MIT license https://github.com/LPology/Simple-Ajax-Uploader */
+!function(e,t){"function"==typeof define&&define.amd?define(function(){return t(e)}):"object"==typeof module&&module.exports?module.exports=t(e):e.ss=t(e)}("undefined"!=typeof window?window:this,function(e){var t,s=e.ss||{},n=/^\s+/,i=/\s+$/,o=/[xy]/g,r=/.*(\/|\\)/,a=/.*[.]/,u=/[\t\r\n]/g,l=Object.prototype.toString.call(e.HTMLElement).indexOf("Constructor")>0,d=-1!==navigator.userAgent.indexOf("MSIE")&&-1===navigator.userAgent.indexOf("MSIE 1"),c=-1!==navigator.userAgent.indexOf("MSIE 7"),p=document.createElement("input");p.type="file",t="multiple"in p&&"undefined"!=typeof File&&"undefined"!=typeof(new XMLHttpRequest).upload,s.obj2string=function(e,t){"use strict";var n=[];for(var i in e)if(e.hasOwnProperty(i)){var o=t?t+"["+i+"]":i,r=e[i];n.push("object"==typeof r?s.obj2string(r,o):encodeURIComponent(o)+"="+encodeURIComponent(r))}return n.join("&")},s.extendObj=function(e,t){"use strict";for(var s in t)t.hasOwnProperty(s)&&(e[s]=t[s])},s.addEvent=function(e,t,n){"use strict";return e.addEventListener?e.addEventListener(t,n,!1):e.attachEvent("on"+t,n),function(){s.removeEvent(e,t,n)}},s.removeEvent=document.removeEventListener?function(e,t,s){e.removeEventListener&&e.removeEventListener(t,s,!1)}:function(e,t,s){var n="on"+t;"undefined"==typeof e[n]&&(e[n]=null),e.detachEvent(n,s)},s.newXHR=function(){"use strict";if("undefined"!=typeof XMLHttpRequest)return new e.XMLHttpRequest;if(e.ActiveXObject)try{return new e.ActiveXObject("Microsoft.XMLHTTP")}catch(t){return!1}},s.encodeUTF8=function(e){"use strict";return unescape(encodeURIComponent(e))},s.getIFrame=function(){"use strict";var e,t=s.getUID();return c?e=document.createElement('<iframe src="javascript:false;" name="'+t+'">'):(e=document.createElement("iframe"),e.src="javascript:false;",e.name=t),e.style.display="none",e.id=t,e},s.getForm=function(e){"use strict";var t=document.createElement("form");t.encoding="multipart/form-data",t.enctype="multipart/form-data",t.style.display="none";for(var s in e)e.hasOwnProperty(s)&&(t[s]=e[s]);return t},s.getHidden=function(e,t){"use strict";var s=document.createElement("input");return s.type="hidden",s.name=e,s.value=t,s},s.parseJSON=function(t){"use strict";if(!t)return!1;if(t=s.trim(t+""),e.JSON&&e.JSON.parse)try{return e.JSON.parse(t+"")}catch(n){return!1}var i,o=/(,)|(\[|{)|(}|])|"(?:[^"\\\r\n]|\\["\\\/bfnrt]|\\u[\da-fA-F]{4})*"\s*:?|true|false|null|-?(?!0\d)\d+(?:\.\d+|)(?:[eE][+-]?\d+|)/g,r=null;return t&&!s.trim(t.replace(o,function(e,t,s,n){return i&&t&&(r=0),0===r?e:(i=s||t,r+=!n-!s,"")}))?Function("return "+t)():!1},s.getBox=function(t){"use strict";var s,n,i=0,o=0;if(t.getBoundingClientRect)s=t.getBoundingClientRect(),n=document.documentElement,i=s.top+(e.pageYOffset||n.scrollTop)-(n.clientTop||0),o=s.left+(e.pageXOffset||n.scrollLeft)-(n.clientLeft||0);else do o+=t.offsetLeft,i+=t.offsetTop;while(t=t.offsetParent);return{top:Math.round(i),left:Math.round(o)}},s.addStyles=function(e,t){"use strict";for(var s in t)t.hasOwnProperty(s)&&(e.style[s]=t[s])},s.copyLayout=function(e,t){"use strict";var n=s.getBox(e);s.addStyles(t,{position:"relative",left:n.left+"px",top:n.top+"px",width:e.offsetWidth+"px",height:e.offsetHeight+"px"})},s.getUID=function(){"use strict";return"axxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(o,function(e){var t=16*Math.random()|0,s="x"==e?t:3&t|8;return s.toString(16)})};var h="".trim;s.trim=h&&!h.call("\ufeff ")?function(e){return null===e?"":h.call(e)}:function(e){return null===e?"":e.toString().replace(n,"").replace(i,"")};var f=[];return s.indexOf=f.indexOf?function(e,t){return e.indexOf(t)}:function(e,t){for(var s=0,n=e.length;n>s;s++)if(e[s]===t)return s;return-1},s.arrayDelete=function(e,t){var n=s.indexOf(e,t);n>-1&&e.splice(n,1)},s.getFilename=function(e){"use strict";return e.replace(r,"")},s.getExt=function(e){"use strict";return-1!==e.indexOf(".")?e.replace(a,""):""},s.isVisible=function(e){"use strict";return e?1!==e.nodeType||e==document.body?(e=null,!0):e.parentNode&&(e.offsetWidth>0||e.offsetHeight>0||"none"!=s.getStyle(e,"display").toLowerCase())?s.isVisible(e.parentNode):(e=null,!1):!1},s.getStyle=function(t,s){"use strict";if(e.getComputedStyle){var n=t.ownerDocument.defaultView.getComputedStyle(t,null);return n.getPropertyValue(s)}return t.currentStyle&&t.currentStyle[s]?t.currentStyle[s]:void 0},s.getFormObj=function(e){"use strict";for(var t,n=e.elements,i=["button","submit","image","reset"],o={},r=0,a=n.length;a>r;r++)if(t={},n[r].name&&!n[r].disabled&&-1===s.indexOf(i,n[r].type)){if(("checkbox"==n[r].type||"radio"==n[r].type)&&!n[r].checked)continue;t[n[r].name]=s.val(n[r]),s.extendObj(o,t)}return o},s.val=function(e){"use strict";if(e){if("SELECT"==e.nodeName.toUpperCase()){for(var t,s=e.options,n=e.selectedIndex,i="select-one"===e.type||0>n,o=i?null:[],r=0,a=s.length;a>r;r++)if((s[r].selected||r===n)&&!s[r].disabled){if(t=s[r].value?s[r].value:s[r].text,i)return t;o.push(t)}return o}return e.value}},s.hasClass=function(e,t){"use strict";return e&&t?(" "+e.className+" ").replace(u," ").indexOf(" "+t+" ")>=0:!1},s.addClass=function(e,t){"use strict";return e&&t?void(s.hasClass(e,t)||(e.className+=" "+t)):!1},s.removeClass=function(){"use strict";var e={};return function(t,s){return t&&s?(e[s]||(e[s]=new RegExp("(?:^|\\s)"+s+"(?!\\S)")),void(t.className=t.className.replace(e[s],""))):!1}}(),s.purge=function(e){"use strict";var t,n,i,o=e.attributes;if(o)for(t=o.length-1;t>=0;t-=1)i=o[t].name,"function"==typeof e[i]&&(e[i]=null);if(o=e.childNodes)for(n=o.length,t=0;n>t;t+=1)s.purge(e.childNodes[t])},s.remove=function(e){"use strict";e&&e.parentNode&&(s.purge(e),e.parentNode.removeChild(e)),e=null},s.verifyElem=function(t){"use strict";return"undefined"!=typeof jQuery&&t instanceof jQuery?t=t[0]:"string"==typeof t&&("#"==t.charAt(0)&&(t=t.substr(1)),t=document.getElementById(t)),t&&1===t.nodeType?("A"==t.nodeName.toUpperCase()&&(t.style.cursor="pointer",s.addEvent(t,"click",function(t){t&&t.preventDefault?t.preventDefault():e.event&&(e.event.returnValue=!1)})),t):!1},s._options={},s.uploadSetup=function(e){"use strict";s.extendObj(s._options,e)},s.SimpleUpload=function(e){"use strict";if(this._opts={button:"",url:"",dropzone:"",dragClass:"",form:"",overrideSubmit:!0,cors:!1,withCredentials:!1,progressUrl:!1,sessionProgressUrl:!1,nginxProgressUrl:!1,multiple:!1,multipleSelect:!1,maxUploads:3,queue:!0,checkProgressInterval:500,keyParamName:"APC_UPLOAD_PROGRESS",sessionProgressName:"PHP_SESSION_UPLOAD_PROGRESS",nginxProgressHeader:"X-Progress-ID",customProgressHeaders:{},corsInputName:"XHR_CORS_TARGETORIGIN",allowedExtensions:[],accept:"",maxSize:!1,name:"",data:{},noParams:!0,autoSubmit:!0,multipart:!0,method:"POST",responseType:"",debug:!1,hoverClass:"",focusClass:"",disabledClass:"",customHeaders:{},encodeHeaders:!0,autoCalibrate:!0,onBlankSubmit:function(){},onAbort:function(){},onChange:function(){},onSubmit:function(){},onProgress:function(){},onUpdateFileSize:function(){},onComplete:function(){},onDone:function(){},onAllDone:function(){},onExtError:function(){},onSizeError:function(){},onError:function(){},startXHR:function(){},endXHR:function(){},startNonXHR:function(){},endNonXHR:function(){}},s.extendObj(this._opts,s._options),s.extendObj(this._opts,e),this._queue=[],this._active=0,this._disabled=!1,this._maxFails=10,this._progKeys={},this._sizeFlags={},this._btns=[],this.addButton(this._opts.button),delete this._opts.button,this._opts.button=e=null,this._opts.multiple===!1&&(this._opts.maxUploads=1),""!==this._opts.dropzone&&this.addDZ(this._opts.dropzone),""===this._opts.dropzone&&this._btns.length<1)throw new Error("Invalid upload button. Make sure the element you're passing exists.");""!==this._opts.form&&this.setForm(this._opts.form),this._createInput(),this._manDisabled=!1,this.enable(!0)},s.SimpleUpload.prototype={destroy:function(){"use strict";for(var e=this._btns.length;e--;)this._btns[e].off&&this._btns[e].off(),s.removeClass(this._btns[e],this._opts.hoverClass),s.removeClass(this._btns[e],this._opts.focusClass),s.removeClass(this._btns[e],this._opts.disabledClass),this._btns[e].disabled=!1;this._killInput(),this._destroy=!0},log:function(t){"use strict";this._opts&&this._opts.debug&&e.console&&e.console.log&&e.console.log("[Uploader] "+t)},setData:function(e){"use strict";this._opts.data=e},setOptions:function(e){"use strict";s.extendObj(this._opts,e)},addButton:function(e){var t;if(e instanceof Array)for(var n=0,i=e.length;i>n;n++)t=s.verifyElem(e[n]),t!==!1?this._btns.push(this.rerouteClicks(t)):this.log("Button with array index "+n+" is invalid");else t=s.verifyElem(e),t!==!1&&this._btns.push(this.rerouteClicks(t))},addDZ:function(e){t&&(e=s.verifyElem(e),e?this.addDropZone(e):this.log("Invalid or nonexistent element passed for drop zone"))},setProgressBar:function(e){"use strict";this._progBar=s.verifyElem(e)},setPctBox:function(e){"use strict";this._pctBox=s.verifyElem(e)},setFileSizeBox:function(e){"use strict";this._sizeBox=s.verifyElem(e)},setProgressContainer:function(e){"use strict";this._progBox=s.verifyElem(e)},setAbortBtn:function(e,t){"use strict";this._abortBtn=s.verifyElem(e),this._removeAbort=!1,t&&(this._removeAbort=!0)},setForm:function(t){"use strict";if(this._form=s.verifyElem(t),this._form&&"FORM"==this._form.nodeName.toUpperCase()){var n=this;this._opts.autoSubmit=!1,this._opts.overrideSubmit&&(s.addEvent(this._form,"submit",function(t){t.preventDefault?t.preventDefault():e.event&&(e.event.returnValue=!1),n._validateForm()&&n.submit()}),this._form.submit=function(){n._validateForm()&&n.submit()})}else this.log("Invalid or nonexistent element passed for form")},getQueueSize:function(){"use strict";return this._queue.length},removeCurrent:function(e){"use strict";if(e){for(var t=this._queue.length;t--;)if(this._queue[t].id===e){this._queue.splice(t,1);break}}else this._queue.splice(0,1);this._cycleQueue()},clearQueue:function(){"use strict";this._queue.length=0},disable:function(e){"use strict";var t,n=this._btns.length;for(this._manDisabled=!e||this._manDisabled===!0,this._disabled=!0;n--;)t=this._btns[n].nodeName.toUpperCase(),"INPUT"!=t&&"BUTTON"!=t||(this._btns[n].disabled=!0),""!==this._opts.disabledClass&&s.addClass(this._btns[n],this._opts.disabledClass);this._input&&this._input.parentNode&&(this._input.parentNode.style.visibility="hidden")},enable:function(e){"use strict";if(e||(this._manDisabled=!1),this._manDisabled!==!0){var t=this._btns.length;for(this._disabled=!1;t--;)s.removeClass(this._btns[t],this._opts.disabledClass),this._btns[t].disabled=!1}},updatePosition:function(e){"use strict";e=e?e:this._btns[0],e&&this._input&&this._input.parentNode&&s.copyLayout(e,this._input.parentNode),e=null},rerouteClicks:function(t){"use strict";var n,i,o=this;if(n=s.addEvent(t,"mouseover",function(){o._disabled||(o._input||o._createInput(),o._overBtn=t,s.copyLayout(t,o._input.parentNode),o._input.parentNode.style.visibility="visible")}),i=s.addEvent(t,"click",function(e){e&&e.preventDefault&&e.preventDefault(),o._disabled||(o._input||o._createInput(),o._overBtn=t,d||o._input.click())}),t.off=function(){n(),i()},o._opts.autoCalibrate&&!s.isVisible(t)){o.log("Upload button not visible");var r=function(){s.isVisible(t)?(o.log("Upload button now visible"),e.setTimeout(function(){o.updatePosition(t),1===o._btns.length&&(o._input.parentNode.style.visibility="hidden")},200)):e.setTimeout(r,500)};e.setTimeout(r,500)}return t},submit:function(e,t){"use strict";if(!t&&this._queue.length<1)return void this._opts.onBlankSubmit.call(this);if(!(this._disabled||this._active>=this._opts.maxUploads||this._queue.length<1)&&this._checkFile(this._queue[0])){if(!1===this._opts.onSubmit.call(this,this._queue[0].name,this._queue[0].ext,this._queue[0].btn,this._queue[0].size))return void this.removeCurrent(this._queue[0].id);this._active++,(this._opts.multiple===!1||this._opts.queue===!1&&this._active>=this._opts.maxUploads)&&this.disable(!0),this._initUpload(this._queue[0])}}},s.IframeUpload={_detachEvents:{},_detach:function(e){this._detachEvents[e]&&(this._detachEvents[e](),delete this._detachEvents[e])},_getHost:function(e){var t=document.createElement("a");return t.href=e,t.hostname?t.hostname.toLowerCase():e},_addFiles:function(e){var t=s.getFilename(e.value),n=s.getExt(t);return!1===this._opts.onChange.call(this,t,n,this._overBtn,void 0,e)?!1:(this._queue.push({id:s.getUID(),file:e,name:t,ext:n,btn:this._overBtn,size:null}),!0)},_uploadIframe:function(t,n,i,o,r,a,u){"use strict";var l,d,c,p=this,h=this._opts,f=s.getUID(),_=s.getIFrame(),m=!1,g=!1;if(d=h.noParams===!0?h.url:h.nginxProgressUrl?d+(d.indexOf("?")>-1?"&":"?")+encodeURIComponent(h.nginxProgressHeader)+"="+encodeURIComponent(f):h.url,l=s.getForm({action:d,target:_.name,method:h.method}),h.onProgress.call(this,0),r&&(r.innerHTML="0%"),o&&(o.style.width="0%"),h.cors){var v=s.getUID();p._detachEvents[v]=s.addEvent(e,"message",function(e){return p._getHost(e.origin)!=p._getHost(h.url)?void p.log("Non-matching origin: "+e.origin):(m=!0,p._detach(v),h.endNonXHR.call(p,t.name,t.btn),void p._finish(t,"","",e.data,i,n,r,a,u))})}p._detachEvents[_.id]=s.addEvent(_,"load",function(){p._detach(_.id),h.sessionProgressUrl?l.appendChild(s.getHidden(h.sessionProgressName,f)):h.progressUrl&&l.appendChild(s.getHidden(h.keyParamName,f)),p._form&&s.extendObj(h.data,s.getFormObj(p._form));for(var d in h.data)h.data.hasOwnProperty(d)&&l.appendChild(s.getHidden(d,h.data[d]));h.cors&&l.appendChild(s.getHidden(h.corsInputName,e.location.href)),l.appendChild(t.file),p._detachEvents[t.id]=s.addEvent(_,"load",function(){if(_&&_.parentNode&&!g)if(p._detach(t.id),g=!0,delete p._progKeys[f],delete p._sizeFlags[f],a&&s.removeEvent(a,"click",c),h.cors)e.setTimeout(function(){s.remove(_),m||p._errorFinish(t,"","",!1,"error",n,i,r,a,u),h=f=_=i=n=r=a=u=null},600);else{try{var o=_.contentDocument?_.contentDocument:_.contentWindow.document,l=o.body.innerHTML;s.remove(_),_=null,h.endNonXHR.call(p,t.name,t.btn),p._finish(t,"","",l,i,n,r,a,u)}catch(d){p._errorFinish(t,"",d.message,!1,"error",n,i,r,a,u)}h=f=i=n=r=null}}),a&&(c=function(){if(s.removeEvent(a,"click",c),delete p._progKeys[f],delete p._sizeFlags[f],_){g=!0,p._detach(t.id);try{_.contentWindow.document.execCommand&&_.contentWindow.document.execCommand("Stop")}catch(o){}try{_.src="javascript".concat(":false;")}catch(o){}e.setTimeout(function(){s.remove(_),_=null},1)}p.log("Upload aborted"),h.onAbort.call(p,t.name,t.btn,t.size),p._last(i,n,r,a,u,t,"abort")},s.addEvent(a,"click",c)),p.log("Commencing upload using iframe"),l.submit(),e.setTimeout(function(){s.remove(l),l=null,p.removeCurrent(t.id)},1),p._hasProgUrl&&(p._progKeys[f]=1,e.setTimeout(function(){p._getProg(f,o,i,r,1),o=i=r=null},600))}),document.body.appendChild(l),document.body.appendChild(_)},_getProg:function(t,n,i,o,r){"use strict";var a,u,l,d=this,c=this._opts,p=(new Date).getTime();if(t&&c)if(c.nginxProgressUrl?u=c.nginxProgressUrl+"?"+encodeURIComponent(c.nginxProgressHeader)+"="+encodeURIComponent(t)+"&_="+p:c.sessionProgressUrl?u=c.sessionProgressUrl:c.progressUrl&&(u=c.progressUrl+"?progresskey="+encodeURIComponent(t)+"&_="+p),l=function(){var u,p,h,f,_;try{if(l&&(c.cors||4===a.readyState)){l=void 0,a.onreadystatechange=function(){};try{_=a.statusText,f=a.status}catch(m){_="",f=""}if(c.cors||f>=200&&300>f){if(u=s.parseJSON(a.responseText),u===!1)return void d.log("Error parsing progress response (expecting JSON)");if(c.nginxProgressUrl){if("uploading"==u.state)p=parseInt(u.size,10),p>0&&(h=Math.round(parseInt(u.received,10)/p*100),p=Math.round(p/1024));else if("done"==u.state)h=100;else if("error"==u.state)return void d.log("Error requesting upload progress: "+u.status)}else(c.sessionProgressUrl||c.progressUrl)&&u.success===!0&&(p=parseInt(u.size,10),h=parseInt(u.pct,10));if(h&&(o&&(o.innerHTML=h+"%"),n&&(n.style.width=h+"%"),c.onProgress.call(d,h)),p&&!d._sizeFlags[t]&&(i&&(i.innerHTML=p+"K"),d._sizeFlags[t]=1,c.onUpdateFileSize.call(d,p)),!h&&!p&&r>=d._maxFails)return r++,void d.log("Failed progress request limit reached. Count: "+r);100>h&&d._progKeys[t]&&e.setTimeout(function(){d._getProg(t,n,i,o,r),t=n=i=o=r=null},c.checkProgressInterval)}else delete d._progKeys[t],d.log("Error requesting upload progress: "+f+" "+_);a=p=h=f=_=u=null}}catch(m){d.log("Error requesting upload progress: "+m.message)}},c.cors&&!c.sessionProgressUrl){if(!e.XDomainRequest)return;a=new e.XDomainRequest,a.open("GET",u,!0),a.onprogress=a.ontimeout=function(){},a.onload=l,a.onerror=function(){delete d._progKeys[t],t=null,d.log("Error requesting upload progress")}}else{var h,f=c.sessionProgressUrl?"POST":"GET",_={};a=s.newXHR(),a.onreadystatechange=l,a.open(f,u,!0),c.sessionProgressUrl&&(h=encodeURIComponent(c.sessionProgressName)+"="+encodeURIComponent(t),_["Content-Type"]="application/x-www-form-urlencoded"),c.nginxProgressUrl&&(_[c.nginxProgressHeader]=t),_["X-Requested-With"]="XMLHttpRequest",_.Accept="application/json, text/javascript, */*; q=0.01",s.extendObj(_,c.customProgressHeaders);for(var m in _)_.hasOwnProperty(m)&&(c.encodeHeaders?a.setRequestHeader(m,s.encodeUTF8(_[m]+"")):a.setRequestHeader(m,_[m]+""));a.send(c.sessionProgressUrl&&h||null)}},_initUpload:function(e){return!1===this._opts.startNonXHR.call(this,e.name,e.btn)?(this._disabled&&this.enable(!0),void this._active--):(this._hasProgUrl=!!(this._opts.progressUrl||this._opts.sessionProgressUrl||this._opts.nginxProgressUrl),this._uploadIframe(e,this._progBox,this._sizeBox,this._progBar,this._pctBox,this._abortBtn,this._removeAbort),void(e=this._progBox=this._sizeBox=this._progBar=this._pctBox=this._abortBtn=this._removeAbort=null))}},s.XhrUpload={_addFiles:function(e){var t,n,i,o,r=e.length;for(this._opts.multiple||(r=1),o=0;r>o;o++){if(t=s.getFilename(e[o].name),n=s.getExt(t),i=Math.round(e[o].size/1024),!1===this._opts.onChange.call(this,t,n,this._overBtn,i,e[o]))return!1;this._queue.push({id:s.getUID(),file:e[o],name:t,ext:n,btn:this._overBtn,size:i})}return!0},_uploadXhr:function(e,t,n,i,o,r,a,u,l,d){"use strict";var c,p,h=this,f=this._opts,_=s.newXHR();o&&(o.innerHTML=e.size+"K"),u&&(u.innerHTML="0%"),r&&(r.style.width="0%"),c=function(t,n){var i;try{if(c&&(n||4===_.readyState))if(c=void 0,_.onreadystatechange=function(){},n)4!==_.readyState&&_.abort(),f.onAbort.call(h,e.name,e.btn,e.size),h._last(o,a,u,l,d,e,"abort");else{l&&s.removeEvent(l,"click",p);try{i=_.statusText}catch(r){i=""}_.status>=200&&_.status<300?(f.endXHR.call(h,e.name,e.size,e.btn),h._finish(e,_.status,i,_.responseText,o,a,u,l,d)):h._errorFinish(e,_.status,i,_.responseText,"error",a,o,u,l,d)}}catch(r){n||h._errorFinish(e,-1,r.message,!1,"error",a,o,u,l,d)}},l&&(p=function(){s.removeEvent(l,"click",p),c&&c(void 0,!0)},s.addEvent(l,"click",p)),_.onreadystatechange=c,_.open(f.method.toUpperCase(),t,!0),_.withCredentials=!!f.withCredentials,s.extendObj(i,f.customHeaders);for(var m in i)i.hasOwnProperty(m)&&(f.encodeHeaders?_.setRequestHeader(m,s.encodeUTF8(i[m]+"")):_.setRequestHeader(m,i[m]+""));if(s.addEvent(_.upload,"progress",function(e){if(e.lengthComputable){var t=Math.round(e.loaded/e.total*100);f.onProgress.call(h,t),u&&(u.innerHTML=t+"%"),r&&(r.style.width=t+"%")}}),f.onProgress.call(this,0),f.multipart===!0){var g=new FormData,v=!1;for(var b in n)n.hasOwnProperty(b)&&(b!==f.name||f.noParams!==!0||h._form||(v=!0),g.append(b,n[b]));v||g.append(f.name,e.file),this.log("Commencing upload using multipart form"),_.send(g)}else this.log("Commencing upload using binary stream"),_.send(e.file);this.removeCurrent(e.id)},_initUpload:function(e){"use strict";var t,n={},i={};return!1===this._opts.startXHR.call(this,e.name,e.size,e.btn)?(this._disabled&&this.enable(!0),void this._active--):(i["X-Requested-With"]="XMLHttpRequest",i["X-File-Name"]=s.encodeUTF8(e.name),"json"==this._opts.responseType.toLowerCase()&&(i.Accept="application/json, text/javascript, */*; q=0.01"),this._opts.multipart||(i["Content-Type"]="application/octet-stream"),this._form&&s.extendObj(n,s.getFormObj(this._form)),s.extendObj(n,this._opts.data),t=this._opts.noParams===!0?this._opts.url:this._opts.url+(this._opts.url.indexOf("?")>-1?"&":"?")+s.obj2string(n),this._uploadXhr(e,t,n,i,this._sizeBox,this._progBar,this._progBox,this._pctBox,this._abortBtn,this._removeAbort),void(this._sizeBox=this._progBar=this._progBox=this._pctBox=this._abortBtn=this._removeAbort=null))}},s.DragAndDrop={_dragFileCheck:function(e){if(e.dataTransfer.types)for(var t=0;t<e.dataTransfer.types.length;t++)if("Files"==e.dataTransfer.types[t])return!0;return!1},addDropZone:function(e){var t=this,n=[];s.addStyles(e,{zIndex:16777271}),e.ondragenter=function(e){return e.stopPropagation(),e.preventDefault(),t._dragFileCheck(e)?(0===n.length&&s.addClass(this,t._opts.dragClass),-1===s.indexOf(n,e.target)&&n.push(e.target),!1):!1},e.ondragover=function(e){return e.stopPropagation(),e.preventDefault(),t._dragFileCheck(e)&&(e.dataTransfer.dropEffect="copy"),!1},e.ondragend=function(){return s.removeClass(this,t._opts.dragClass),!1},e.ondragleave=function(e){return s.arrayDelete(n,e.target),0===n.length&&s.removeClass(this,t._opts.dragClass),!1},e.ondrop=function(e){e.stopPropagation(),e.preventDefault(),s.arrayDelete(n,e.target),0===n.length&&s.removeClass(this,t._opts.dragClass),t._dragFileCheck(e)&&!1!==t._addFiles(e.dataTransfer.files)&&t._cycleQueue()}}},s.extendObj(s.SimpleUpload.prototype,{_createInput:function(){"use strict";var e=this,n=document.createElement("div");this._input=document.createElement("input"),this._input.type="file",this._input.name=this._opts.name,t&&!l&&this._opts.multipleSelect&&(this._input.multiple=!0),"accept"in this._input&&""!==this._opts.accept&&(this._input.accept=this._opts.accept),s.addStyles(n,{display:"none",position:"relative",overflow:"hidden",margin:0,padding:0,opacity:0,direction:"ltr",zIndex:16777270}),"0"!==n.style.opacity&&(n.style.filter="alpha(opacity=0)"),s.addStyles(this._input,{position:"relative",right:0,margin:0,padding:0,fontSize:"480px",fontFamily:"sans-serif",cursor:"pointer",height:"100%",zIndex:16777270}),this._input.turnOff=s.addEvent(this._input,"change",function(){e._input&&""!==e._input.value&&!1!==e._addFiles(t?e._input.files:e._input)&&(s.removeClass(e._overBtn,e._opts.hoverClass),s.removeClass(e._overBtn,e._opts.focusClass),e._killInput(),e._createInput(),e._opts.autoSubmit&&e.submit())}),""!==e._opts.hoverClass&&(n.mouseOverOff=s.addEvent(n,"mouseover",function(){s.addClass(e._overBtn,e._opts.hoverClass)})),n.mouseOutOff=s.addEvent(n,"mouseout",function(){e._input.parentNode.style.visibility="hidden",""!==e._opts.hoverClass&&(s.removeClass(e._overBtn,e._opts.hoverClass),s.removeClass(e._overBtn,e._opts.focusClass))}),""!==e._opts.focusClass&&(this._input.focusOff=s.addEvent(this._input,"focus",function(){s.addClass(e._overBtn,e._opts.focusClass)}),this._input.blurOff=s.addEvent(this._input,"blur",function(){s.removeClass(e._overBtn,e._opts.focusClass)})),n.appendChild(this._input),document.body.appendChild(n),n=null},_last:function(e,t,n,i,o,r,a,u,l){"use strict";if(e&&(e.innerHTML=""),n&&(n.innerHTML=""),i&&o&&s.remove(i),t&&s.remove(t),this._active--,e=t=n=i=o=null,this._disabled&&this.enable(!0),this._destroy&&0===this._queue.length&&0===this._active)for(var d in this)this.hasOwnProperty(d)&&delete this[d];else this._opts.onDone.call(this,r.name,u,a,l,r.btn,r.size),this._cycleQueue(),0===this._queue.length&&0===this._active&&this._opts.onAllDone.call(this);r=a=u=l=null},_errorFinish:function(e,t,s,n,i,o,r,a,u,l){"use strict";this.log("Upload failed: "+t+" "+s),this._opts.onError.call(this,e.name,i,t,s,n,e.btn,e.size),this._last(r,o,a,u,l,e,"error",t,n),s=i=r=o=a=u=l=null},_finish:function(e,t,n,i,o,r,a,u,l){"use strict";return this.log("Server response: "+i),"json"==this._opts.responseType.toLowerCase()&&(i=s.parseJSON(i),i===!1)?void this._errorFinish(e,t,n,!1,"parseerror",r,o,u,l):(this._opts.onComplete.call(this,e.name,i,e.btn,e.size),this._last(o,r,a,u,l,e,"success",t,i),void(n=o=r=a=u=l=null))},_checkFile:function(e){"use strict";var t=!1,s=this._opts.allowedExtensions.length;if(s>0){for(;s--;)if(this._opts.allowedExtensions[s].toLowerCase()==e.ext.toLowerCase()){t=!0;break}if(!t)return this.removeCurrent(e.id),this.log("File extension not permitted"),this._opts.onExtError.call(this,e.name,e.ext),!1}return e.size&&this._opts.maxSize!==!1&&e.size>this._opts.maxSize?(this.removeCurrent(e.id),this.log(e.name+" exceeds "+this._opts.maxSize+"K limit"),this._opts.onSizeError.call(this,e.name,e.size,e.btn),!1):(e=null,!0)},_killInput:function(){"use strict";this._input&&(this._input.turnOff&&this._input.turnOff(),this._input.focusOff&&this._input.focusOff(),this._input.blurOff&&this._input.blurOff(),this._input.parentNode.mouseOverOff&&this._input.parentNode.mouseOverOff(),s.remove(this._input.parentNode),delete this._input,this._input=null)},_cycleQueue:function(){"use strict";this._queue.length>0&&this._opts.autoSubmit&&this.submit(void 0,!0)},_validateForm:function(){"use strict";return!this._form.checkValidity||this._form.checkValidity()}}),t?s.extendObj(s.SimpleUpload.prototype,s.XhrUpload):s.extendObj(s.SimpleUpload.prototype,s.IframeUpload),s.extendObj(s.SimpleUpload.prototype,s.DragAndDrop),s});
diff --git a/bower.json b/bower.json
index dc2cc56..be381fa 100644
--- a/bower.json
+++ b/bower.json
@@ -1,7 +1,7 @@
 {
   "name": "simple-ajax-uploader",
   "description": "A Javascript plugin for cross-browser Ajax file uploading. Supports drag and drop, CORS, and multiple file uploading with progress bars. Works in IE7-9, mobile, and all modern browsers.",
-  "version": "2.6.2",
+  "version": "2.6.4",
   "main": "SimpleAjaxUploader.js",
   "keywords": [
     "ajax",
diff --git a/extras/Uploader.php b/extras/Uploader.php
index cd9b869..8966b94 100644
--- a/extras/Uploader.php
+++ b/extras/Uploader.php
@@ -2,7 +2,7 @@
 
 /**
 * Simple Ajax Uploader
-* Version 2.6.2
+* Version 2.6.4
 * https://github.com/LPology/Simple-Ajax-Uploader
 *
 * Copyright 2012-2017 LPology, LLC
diff --git a/extras/cors.php b/extras/cors.php
index bd75b44..fd55053 100644
--- a/extras/cors.php
+++ b/extras/cors.php
@@ -2,7 +2,7 @@
 
 /**
 * Simple Ajax Uploader
-* Version 2.6.2
+* Version 2.6.4
 * https://github.com/LPology/Simple-Ajax-Uploader
 *
 * Copyright 2012-2017 LPology, LLC
diff --git a/extras/sessionProgress.php b/extras/sessionProgress.php
index bc92e00..0017f89 100644
--- a/extras/sessionProgress.php
+++ b/extras/sessionProgress.php
@@ -2,7 +2,7 @@
 
 /**
 * Simple Ajax Uploader
-* Version 2.6.2
+* Version 2.6.4
 * https://github.com/LPology/Simple-Ajax-Uploader
 *
 * Copyright 2012-2017 LPology, LLC
diff --git a/extras/uploadProgress.php b/extras/uploadProgress.php
index acfe356..1688897 100644
--- a/extras/uploadProgress.php
+++ b/extras/uploadProgress.php
@@ -2,7 +2,7 @@
 
 /**
 * Simple Ajax Uploader
-* Version 2.6.2
+* Version 2.6.4
 * https://github.com/LPology/Simple-Ajax-Uploader
 *
 * Copyright 2012-2017 LPology, LLC
diff --git a/package.json b/package.json
index 10a9e13..806a6cf 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "simple-ajax-uploader",
   "description": "A Javascript plugin for cross-browser Ajax file uploading. Supports drag and drop, CORS, and multiple file uploading with progress bars. Works in IE7-9, mobile, and all modern browsers.",
-  "version": "2.6.2",
+  "version": "2.6.4",
   "main": "SimpleAjaxUploader.js",
   "keywords": [
     "ajax",