diff --git a/RomPatcher.js b/RomPatcher.js
index ed3ab96..1a5725f 100644
--- a/RomPatcher.js
+++ b/RomPatcher.js
@@ -13,10 +13,11 @@ addEvent(window,'load',function(){
 	el('input-file-patch').value='';
 	el('input-file-rom1').value='';
 	el('input-file-rom2').value='';
+	el('input-file-flip').value='';
 
 	addEvent(el('input-file-rom'), 'change', function(){
 		romFile=new MarcBinFile(this, function(){
-			el('rom-info').value='';
+			el('rom-info').innerHTML='';
 			sha1(romFile);
 			romHashes.crc32=crc32(romFile);
 			romHashes.md5=md5(romFile);
@@ -24,8 +25,8 @@ addEvent(window,'load',function(){
 			var crc32str=romHashes.crc32.toString(16);
 			while(crc32str.length<8)
 				crc32str='0'+crc32str;
-			el('rom-info').value+='CRC32: '+crc32str+'\n';
-			el('rom-info').value+='MD5:   '+romHashes.md5+'\n';
+			el('rom-info').innerHTML+='CRC32: '+crc32str+'<br/>';
+			el('rom-info').innerHTML+='MD5:   '+romHashes.md5+'<br/>';
 		});
 	});
 	addEvent(el('input-file-patch'), 'change', function(){
@@ -57,9 +58,13 @@ function _readPatchFile(){
 }
 function openPatchFile(f){tempFile=new MarcBinFile(f, _readPatchFile)}
 function applyPatchFile(p,r){
-	var patchedROM=p.apply(r);
-	patchedROM.fileName=r.fileName.replace(/\.(.*?)$/, ' (patched).$1');
-	patchedROM.save()
+	if(p && r){
+		var patchedROM=p.apply(r);
+		patchedROM.fileName=r.fileName.replace(/\.(.*?)$/, ' (patched).$1');
+		patchedROM.save()
+	}else{
+		MarcDialogs.alert('No ROM/patch selected');
+	}
 }
 
 
@@ -71,11 +76,22 @@ function createPatchFile(){
 		if(el('radio-'+MODES[i]).checked)
 			mode=MODES[i];
 
-	if(mode==='ips'){
-		createIPSFromFiles(romFile1, romFile2).export().save();
-	}else if(mode==='ups'){
-		createUPSFromFiles(romFile1, romFile2).export().save();
+	if(!romFile1 || !romFile2){
+		MarcDialogs.alert('No original/modified ROM file specified');
+		return false;
+	}else if(mode==='ips' && (romFile1.fileSize>MAX_IPS_SIZE || romFile2.fileSize>MAX_IPS_SIZE)){
+		MarcDialogs.alert('Files are too big for IPS format');
+		return false;
 	}
+
+
+	var newPatch;
+	if(mode==='ips'){
+		newPatch=createIPSFromFiles(romFile1, romFile2);
+	}else if(mode==='ups'){
+		newPatch=createUPSFromFiles(romFile1, romFile2);
+	}
+	newPatch.export().save();
 }
 
 
@@ -101,7 +117,7 @@ function sha1(file){
 				else
 					hexString+=bytes[i].toString(16);
 			romHashes.sha1=hexString;
-			el('rom-info').value+='SHA-1: '+romHashes.sha1+'\n';
+			el('rom-info').innerHTML+='SHA-1: '+romHashes.sha1+'<br/>';
 		}).catch(function(error){
 			console.error(error);
 		});
@@ -168,6 +184,8 @@ function crc32(file,ignoreLast4Bytes){
 }
 
 
+/* MarcDialogs.js */
+MarcDialogs=function(){function e(e,t,n){a?e.attachEvent("on"+t,n):e.addEventListener(t,n,!1)}function t(){s&&(o?history.go(-1):(c.className="dialog-overlay",s.className=s.className.replace(/ active/g,""),s=null))}function n(e){for(var t=0;t<s.dialogElements.length;t++){var n=s.dialogElements[t];if("INPUT"===n.nodeName&&"hidden"!==n.type||"INPUT"!==n.nodeName)return n.focus(),!0}return!1}function l(){s&&(s.style.marginLeft="-"+s.offsetWidth/2+"px",s.style.marginTop="-"+s.offsetHeight/2-30+"px")}var a=/MSIE 8/.test(navigator.userAgent),o=navigator.userAgent.match(/Android|webOS|iPhone|iPad|iPod|BlackBerry|Windows Phone/i)&&"function"==typeof history.pushState,i=["Cancel","Accept"],s=null,c=document.createElement("div");c.className="dialog-overlay",c.style.position="fixed",c.style.top="0",c.style.left="0",c.style.width="100%",c.style.height="100%",c.style.zIndex=8e3,e(c,"click",t),e(window,"load",function(){document.body.appendChild(c),o&&history.replaceState({myDialog:!1},null,null)}),e(window,"resize",l),o&&e(window,"popstate",function(e){e.state.myDialog?(s=e.state.myDialog,MarcDialogs.open(e.state.myDialog)):e.state.myDialog===!1&&s&&(c.className="dialog-overlay",s.className=s.className.replace(/ active/g,""),s=null)}),e(document,"keydown",function(e){s&&(27==e.keyCode?(e.preventDefault?e.preventDefault():e.returnValue=!1,t()):9==e.keyCode&&s.dialogElements[s.dialogElements.length-1]==document.activeElement&&(e.preventDefault?e.preventDefault():e.returnValue=!1,n()))});var d=null,u=null,m=null;return{open:function(e){s&&(s.className=s.className.replace(/ active/g,"")),o&&(s?history.replaceState({myDialog:e},null,null):(console.log("a"),history.pushState({myDialog:e},null,null))),c.className="dialog-overlay active",s="string"==typeof e?document.getElementById("dialog-"+e):e,s.className+=" active",s.style.position="fixed",s.style.top="50%",s.style.left="50%",s.style.zIndex=8001,s.dialogElements||(s.dialogElements=s.querySelectorAll("input,textarea,select")),n(),l(s),l(s)},close:t,alert:function(t){if(!d){d=document.createElement("div"),d.id="dialog-quick-alert",d.className="dialog",d.msg=document.createElement("div"),d.msg.style.textAlign="center",d.appendChild(d.msg),d.buttons=document.createElement("div"),d.buttons.className="buttons";var n=document.createElement("button");n.type="button",n.className="colored",n.innerHTML=i[1],e(n,"click",this.close),d.buttons.appendChild(n),d.appendChild(d.buttons),document.body.appendChild(d)}d.msg.innerHTML=t,MarcDialogs.open("quick-alert")},confirm:function(t,n){if(!u){u=document.createElement("div"),u.id="dialog-quick-confirm",u.className="dialog",u.msg=document.createElement("div"),u.msg.style.textAlign="center",u.appendChild(u.msg),u.buttons=document.createElement("div"),u.buttons.className="buttons";var l=document.createElement("button");l.type="button",l.innerHTML=i[1],e(l,"click",function(){m()}),u.buttons.appendChild(l);var a=document.createElement("button");a.type="button",a.innerHTML=i[0],e(a,"click",this.close),u.buttons.appendChild(a),u.appendChild(u.buttons),document.body.appendChild(u)}m=n,u.msg.innerHTML=t,MarcDialogs.open("quick-confirm")}}}();
 /* MarcBinFile.js v20190703 - Marc Robledo 2014-2016 - http://www.marcrobledo.com/license */
 function MarcBinFile(a,b){if("function"!=typeof window.FileReader)throw console.error("MarcBinFile.js: Browser doesn't support FileReader."),"Invalid browser";if("object"==typeof a&&a.name&&a.size)this.file=a,this.fileName=this.file.name,this.fileSize=this.file.size,this.fileType=a.type;else if("object"==typeof a&&a.files){if(1!=a.files.length){for(var c=[],d=a.files.length,e=function(){d--,0==d&&b&&b.call()},f=0;f<a.files.length;f++)c.push(new MarcBinFile(a.files[f],e));return c}this.file=a.files[0],this.fileName=this.file.name,this.fileSize=this.file.size,this.fileType=this.file.type}else{if("number"!=typeof a)throw console.error("MarcBinFile.js: Invalid type of file."),"Invalid file.";this.file=!1,this.fileName="newfile.hex",this.fileSize=a,this.fileType="application/octet-stream"}this.littleEndian=function(){var a=new ArrayBuffer(2);return new DataView(a).setInt16(0,256,!0),256===new Int16Array(a)[0]}(),this.file?(this.fileReader=new FileReader,this.fileReader.addEventListener("load",function(){this.dataView=new DataView(this.result)},!1),b&&this.fileReader.addEventListener("load",b,!1),this.fileReader.readAsArrayBuffer(this.file)):(this.fileReader=new ArrayBuffer(this.fileSize),this.fileReader.dataView=new DataView(this.fileReader),b&&b.call())}var saveAs=saveAs||function(a){"use strict";if("undefined"==typeof navigator||!/MSIE [1-9]\./.test(navigator.userAgent)){var b=a.document,c=function(){return a.URL||a.webkitURL||a},d=b.createElementNS("http://www.w3.org/1999/xhtml","a"),e="download"in d,f=function(a){var b=new MouseEvent("click");a.dispatchEvent(b)},g=/Version\/[\d\.]+.*Safari/.test(navigator.userAgent),h=a.webkitRequestFileSystem,i=a.requestFileSystem||h||a.mozRequestFileSystem,j=function(b){(a.setImmediate||a.setTimeout)(function(){throw b},0)},k="application/octet-stream",l=0,m=500,n=function(b){var d=function(){"string"==typeof b?c().revokeObjectURL(b):b.remove()};a.chrome?d():setTimeout(d,m)},o=function(a,b,c){b=[].concat(b);for(var d=b.length;d--;){var e=a["on"+b[d]];if("function"==typeof e)try{e.call(a,c||a)}catch(a){j(a)}}},p=function(a){return/^\s*(?:text\/\S*|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(a.type)?new Blob(["\ufeff",a],{type:a.type}):a},q=function(b,j,m){m||(b=p(b));var t,u,z,q=this,r=b.type,s=!1,v=function(){o(q,"writestart progress write writeend".split(" "))},w=function(){if(u&&g&&"undefined"!=typeof FileReader){var d=new FileReader;return d.onloadend=function(){var a=d.result;u.location.href="data:attachment/file"+a.slice(a.search(/[,;]/)),q.readyState=q.DONE,v()},d.readAsDataURL(b),void(q.readyState=q.INIT)}if(!s&&t||(t=c().createObjectURL(b)),u)u.location.href=t;else{var e=a.open(t,"_blank");void 0==e&&g&&(a.location.href=t)}q.readyState=q.DONE,v(),n(t)},x=function(a){return function(){if(q.readyState!==q.DONE)return a.apply(this,arguments)}},y={create:!0,exclusive:!1};return q.readyState=q.INIT,j||(j="download"),e?(t=c().createObjectURL(b),void setTimeout(function(){d.href=t,d.download=j,f(d),v(),n(t),q.readyState=q.DONE})):(a.chrome&&r&&r!==k&&(z=b.slice||b.webkitSlice,b=z.call(b,0,b.size,k),s=!0),h&&"download"!==j&&(j+=".download"),(r===k||h)&&(u=a),i?(l+=b.size,void i(a.TEMPORARY,l,x(function(a){a.root.getDirectory("saved",y,x(function(a){var c=function(){a.getFile(j,y,x(function(a){a.createWriter(x(function(c){c.onwriteend=function(b){u.location.href=a.toURL(),q.readyState=q.DONE,o(q,"writeend",b),n(a)},c.onerror=function(){var a=c.error;a.code!==a.ABORT_ERR&&w()},"writestart progress write abort".split(" ").forEach(function(a){c["on"+a]=q["on"+a]}),c.write(b),q.abort=function(){c.abort(),q.readyState=q.DONE},q.readyState=q.WRITING}),w)}),w)};a.getFile(j,{create:!1},x(function(a){a.remove(),c()}),x(function(a){a.code===a.NOT_FOUND_ERR?c():w()}))}),w)}),w)):void w())},r=q.prototype,s=function(a,b,c){return new q(a,b,c)};return"undefined"!=typeof navigator&&navigator.msSaveOrOpenBlob?function(a,b,c){return c||(a=p(a)),navigator.msSaveOrOpenBlob(a,b||"download")}:(r.abort=function(){var a=this;a.readyState=a.DONE,o(a,"abort")},r.readyState=r.INIT=0,r.WRITING=1,r.DONE=2,r.error=r.onwritestart=r.onprogress=r.onwrite=r.onabort=r.onerror=r.onwriteend=null,s)}}("undefined"!=typeof self&&self||"undefined"!=typeof window&&window||this.content);"undefined"!=typeof module&&module.exports?module.exports.saveAs=saveAs:"undefined"!=typeof define&&null!==define&&null!=define.amd&&define([],function(){return saveAs}),MarcBinFile.prototype.isReady=function(){return 2==this.fileReader.readyState},MarcBinFile.prototype.save=function(){var a=new Blob([this.fileReader.dataView],{type:this.fileType});saveAs(a,this.fileName)},MarcBinFile.prototype.readByte=function(a){return this.fileReader.dataView.getUint8(a)},MarcBinFile.prototype.readByteSigned=function(a){return this.fileReader.dataView.getInt8(a)},MarcBinFile.prototype.readBytes=function(a,b){for(var c=new Array(b),d=0;d<b;d++)c[d]=this.readByte(a+d);return c},MarcBinFile.prototype.readShort=function(a){return this.fileReader.dataView.getUint16(a,this.littleEndian)},MarcBinFile.prototype.readShortSigned=function(a){return this.fileReader.dataView.getInt16(a,this.littleEndian)},MarcBinFile.prototype.readInt=function(a){return this.fileReader.dataView.getUint32(a,this.littleEndian)},MarcBinFile.prototype.readIntSigned=function(a){return this.fileReader.dataView.getInt32(a,this.littleEndian)},MarcBinFile.prototype.readFloat32=function(a){return this.fileReader.dataView.getFloat32(a,this.littleEndian)},MarcBinFile.prototype.readFloat64=function(a){return this.fileReader.dataView.getFloat64(a,this.littleEndian)},MarcBinFile.prototype.readString=function(a,b){for(var c=this.readBytes(a,b),d="",e=0;e<b&&c[e]>0;e++)d+=String.fromCharCode(c[e]);return d},MarcBinFile.prototype.writeByte=function(a,b){this.fileReader.dataView.setUint8(a,b,this.littleEndian)},MarcBinFile.prototype.writeByteSigned=function(a,b){this.fileReader.dataView.setInt8(a,b,this.littleEndian)},MarcBinFile.prototype.writeBytes=function(a,b){for(var c=0;c<b.length;c++)this.writeByte(a+c,b[c])},MarcBinFile.prototype.writeShort=function(a,b){this.fileReader.dataView.setUint16(a,b,this.littleEndian)},MarcBinFile.prototype.writeShortSigned=function(a,b){this.fileReader.dataView.setInt16(a,b,this.littleEndian)},MarcBinFile.prototype.writeInt=function(a,b){this.fileReader.dataView.setUint32(a,b,this.littleEndian)},MarcBinFile.prototype.writeIntSigned=function(a,b){this.fileReader.dataView.setInt32(a,b,this.littleEndian)},MarcBinFile.prototype.writeFloat32=function(a,b){this.fileReader.dataView.setFloat32(a,b,this.littleEndian)},MarcBinFile.prototype.writeFloat64=function(a,b){this.fileReader.dataView.setFloat64(a,b,this.littleEndian)},MarcBinFile.prototype.writeString=function(a,b,c){for(var d=0;d<c;d++)this.writeByte(a+d,0);for(var d=0;d<b.length&&d<c;d++)this.writeByte(a+d,b.charCodeAt(d))};
 /* Implement 3-byte reader/writer in MarcBinFile */
diff --git a/index.html b/index.html
index 0366302..acafc27 100644
--- a/index.html
+++ b/index.html
@@ -1,85 +1,82 @@
 <!DOCTYPE html>
 <html manifest="manifest.appcache">
 <head>
-	<title>ROMPatcher.js</title>
+	<title>RomPatcher.js</title>
 	<meta http-equiv="content-Type" content="text/html; charset=UTF-8"/>
-	<meta name="description" content="This small web app allows you to apply IPS/UPS patches to your ROM dump files."/>
+	<meta name="description" content="A web-based IPS/UPS ROM patcher."/>
 	<meta name="keywords" content="ips,ups,patcher,online,html5,rom,patch,hack,translation"/>
 	<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0"/>
-	<link rel="shortcut icon" href="./RomPatcher.png"/>
+	<link rel="shortcut icon" href="./favicon.png"/>
 	<link type="text/css" rel="stylesheet" href="./RomPatcher.css" media="all"/>
 	<script type="text/javascript" src="./RomPatcher.js"></script>
 	<script type="text/javascript" src="./ips.js"></script>
 	<script type="text/javascript" src="./ups.js"></script>
+	<script type="text/javascript" src="./ByteFlipper.js"></script>
 </head>
 <body>
 
+
 <!-- HEADER -->
 <div id="header">
-	<h1>RomPatcher.js</h1>
-	<h2>
-		by <a href="/" class="author">Marc Robledo</a>
-		<a href="https://github.com/marcrobledo/RomPatcher.js/" target="_blank" class="button"><span class="sprite github"></span> See on GitHub</a>
-		<a href="https://www.paypal.me/marcrobledo/5" target="_blank" rel="nofollow" class="donate button"><span class="sprite heart"></span> Donate</a>
-	</h2>
+	<div id="header-top">
+		<div class="row wrapper">
+			<h1 class="six columns text-left"><img src="logo.png" /><span class="hidden">RomPatcher.js</span></h1>
+			<div class="six columns header-buttons text-right">
+				by <a href="/">Marc Robledo</a>
+				<i class="icon github"></i> <a href="https://github.com/marcrobledo/RomPatcher.js/" target="_blank">See on GitHub</a>
+				<i class="icon heart"></i> <a href="https://www.paypal.me/marcrobledo/5" target="_blank" rel="nofollow">Donate</a>
+			</div>
+		</div>
+	</div>
+</div>
 </div>
 
-
-
-<div id="cards">
-	<div class="card card-notice text-center">
-		This small web app allows you to apply a IPS/UPS patch to your favorite retro games.
-	</div>
-
-
-
-
-
-	<div class="card card-red">
-		<h3>Apply patch</h3>
+<!-- APP -->
+<div class="wrapper" id="the-app">
+	<h3 class="red">Apply patch</h3>
+	<div class="container-description">Apply an IPS/UPS patch to your ROM</div>
+	<div class="container">
 		<div class="row">
-			<div class="three columns"><label for="input-file-rom">ROM file:</label></div>
-			<div class="nine columns">
+			<div class="six columns text-right"><label for="input-file-rom">ROM file:</label></div>
+			<div class="six columns">
 				<input type="file" id="input-file-rom" />
-				<textarea disabled id="rom-info" rows="3" style="width:100%"></textarea>
+				<div id="rom-info" class="mono" style="font-size:12px"></div>
 			</div>
 		</div>
 
 		<div class="row">
-			<div class="three columns"><label for="input-file-patch">Patch file (IPS/UPS):</label></div>
-			<div class="nine columns">
+			<div class="six columns text-right"><label for="input-file-patch">Patch file (IPS/UPS):</label></div>
+			<div class="six columns">
 				<input type="file" id="input-file-patch" />
 			</div>
 		</div>
 
 		<div class="buttons">
-			<button class="with-icon icon9" onclick="applyPatchFile(patch, romFile)">Apply patch</button>
+			<button class="with-icon icon9" onclick="applyPatchFile(patch, romFile)"><i class="icon check"></i> Apply patch</button>
 		</div>
-
 	</div>
 
 
 
-
-
-	<div class="card card-green">
-		<h3>Create patch</h3>
+	<h3 class="blue">Create patch</h3>
+	<div class="container-description">Create an IPS/UPS patch from two different ROMs </div>
+	<div class="container">
 		<div class="row">
-			<div class="three columns"><label for="input-file-rom1">Original ROM:</label></div>
+			<div class="six columns text-right"><label for="input-file-rom1">Original ROM:</label></div>
 			<div class="six columns end">
 				<input type="file" id="input-file-rom1" />
 			</div>
 		</div>
 
 		<div class="row">
-			<div class="three columns"><label for="input-file-rom2">Modified ROM:</label></div>
+			<div class="six columns text-right"><label for="input-file-rom2">Modified ROM:</label></div>
 			<div class="six columns end">
 				<input type="file" id="input-file-rom2" />
 			</div>
 		</div>
 
 		<div class="row">
-			<div class="three columns">Patch type</div>
+			<div class="six columns text-right">Patch type</div>
 			<div class="six columns end">
 				<input type="radio" id="radio-ips" name="patch-type" checked /><label for="radio-ips">IPS</label>
 				<input type="radio" id="radio-ups" name="patch-type" /><label for="radio-ups">UPS</label>
@@ -87,13 +84,32 @@
 		</div>
 
 		<div class="buttons">
-			<button class="with-icon icon9" onclick="createPatchFile()">Create patch</button>
+			<button class="with-icon icon9" onclick="createPatchFile()"><i class="icon settings"></i> Create patch</button>
 		</div>
+	</div>
 
+
+
+	<h3 class="green">Byte flipper</h3>
+	<div class="container-description">This tool can flip bytes on a file in order to change its endianness</div>
+	<div class="container">
+		<div class="row">
+			<div class="six columns text-right"><label for="input-file-flip">File</label></div>
+			<div class="six columns"><input type="file" id="input-file-flip" /></div>
+		</div>
+		<div class="row">
+			<div class="six columns text-right">Bytes to flip</div>
+			<div class="six columns">
+				<input type="radio" value="4" id="radio4" name="radio-bytes" checked /><label for="radio4">4 <small>(N64 ROMs and savegames)</small></label>
+				<input type="radio" value="8" id="radio8" name="radio-bytes" /><label for="radio8">8 <small>(old GBA flashcards)</small></label>
+			</div>
+		</div>
+		<div class="buttons">
+			<button onclick="flipBytesInFile()" id="button-save"><i class="icon settings"></i> Flip bytes</button>
+		</div>		
 	</div>
 </div>
 
 
 
-
 </body></html>
\ No newline at end of file
diff --git a/ips.js b/ips.js
index c3302af..e7d3374 100644
--- a/ips.js
+++ b/ips.js
@@ -1,5 +1,6 @@
-/* IPS module for RomPatcher.js v20170721 - Marc Robledo 2016-2017 - http://www.marcrobledo.com/license */
+/* IPS module for RomPatcher.js v20170722 - Marc Robledo 2016-2017 - http://www.marcrobledo.com/license */
 /* File format specification: http://www.smwiki.net/wiki/IPS_file_format */
+
 var MAX_IPS_SIZE=16777216;
 var RECORD_RLE=0x0000;
 var RECORD_SIMPLE=1;
@@ -79,12 +80,12 @@ IPS.prototype.apply=function(romFile){
 		var rec=this.records[i];
 		if(rec.type===RECORD_RLE){
 			if(rec.offset+rec.length>romFile.fileSize){
-				alert('Invalid ROM file (too big?).');
+				MarcDialogs.alert('Invalid ROM file (too big?).');
 				return false;
 			}
 		}else{
 			if(rec.offset+rec.data.length>romFile.fileSize){
-				alert('Invalid ROM file (too big?).');
+				MarcDialogs.alert('Invalid ROM file (too big?).');
 				return false;
 			}
 		}
diff --git a/ups.js b/ups.js
index 10c3485..e61d3b1 100644
--- a/ups.js
+++ b/ups.js
@@ -1,7 +1,8 @@
 /* UPS module for RomPatcher.js v20170721 - Marc Robledo 2017 - http://www.marcrobledo.com/license */
 /* File format specification: http://www.romhacking.net/documents/392/ */
-/* https://github.com/btimofeev/UniPatcher/blob/master/app/src/main/java/org/emunix/unipatcher/patcher/UPS.java */
+
 var UPS_MAGIC='UPS1';
+
 function UPS(){
 	this.records=[];
 	this.sizeInput=0;
@@ -63,7 +64,7 @@ UPS.prototype.export=function(){
 }
 UPS.prototype.apply=function(romFile){
 	if(crc32(romFile)!==this.checksumInput){
-		alert('Invalid input ROM.');
+		MarcDialogs.alert('Invalid input ROM');
 		return false;
 	}
 
@@ -84,7 +85,7 @@ UPS.prototype.apply=function(romFile){
 	}
 
 	if(crc32(tempFile)!==this.checksumOutput){
-		alert('Invalid output ROM.');
+		MarcDialogs.alert('Invalid output ROM');
 		return false;
 	}
 
@@ -161,7 +162,7 @@ function readUPSFile(file){
 	patchFile.checksumPatch=tempFile.readInt(seek+8);
 
 	if(patchFile.checksumPatch!==crc32(file, true)){
-		alert('Invalid patch checksum.');
+		MarcDialogs.alert('Invalid patch checksum');
 	}
 	return patchFile;
 }