diff --git a/Gruntfile.js b/Gruntfile.js
index 22bce2c..d5bb255 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -37,6 +37,7 @@ module.exports = function (grunt) {
 					{ token: "//ninja.detailwallet.js", file: "./src/ninja.detailwallet.js" },
 					{ token: "//qrcode.js", file: "./src/qrcode.js" },
 					{ token: "//securerandom.js", file: "./src/securerandom.js" },
+					{ token: "//janin.walletmanager.js", file: "./src/janin.walletmanager.js" },
 					{ token: "//main.css", file: "./src/main.css" }
 				]
 			}
diff --git a/src/bitaddress-ui.html b/src/bitaddress-ui.html
index 6def813..cc7c970 100644
--- a/src/bitaddress-ui.html
+++ b/src/bitaddress-ui.html
@@ -144,6 +144,13 @@
 
 		<div id="wallets">
 			<div id="singlearea" class="walletarea">
+				<div class="commands">
+					<select id="walletType" onchange="janin.currency.changeWalletType(this);"> 
+					   <option value="bitcoin" selected="selected">Bitcoin</option> 
+					   <option value="dogecoin">Dogecoin</option> 
+					   <option value="litecoin">Litecoin</option> 
+					</select> 
+				</div>
 				<div class="commands">
 					<div id="singlecommands" class="row">
 						<span><input type="button" id="newaddress" value="Generate New Address" onclick="ninja.wallets.singlewallet.generateNewAddressAndKey();" /></span>
@@ -472,6 +479,15 @@
 	<script type="text/javascript">
 //ninja.detailwallet.js
 	</script>
+	
+	<!-- Custom code -->
+	
+	<script type="text/javascript">
+//janin.walletmanager.js
+	</script>
+	
+	<!-- End custom code -->
+	
 	<script type="text/javascript">
 //ninja.unittests.js
 	</script>
diff --git a/src/janin.walletmanager.js b/src/janin.walletmanager.js
new file mode 100644
index 0000000..0b5c746
--- /dev/null
+++ b/src/janin.walletmanager.js
@@ -0,0 +1,67 @@
+var janin = { currency: { 
+							Address: {},
+							ECKey: {}
+						 }};
+
+
+janin.currency.Address.networkVersions = [ 
+	0x00, 		// Bitcoin
+	0x1e		// Dogecoin
+];
+
+janin.currency.ECKey.privateKeyPrefixes = [
+	0x80,		// Bitcoin
+	0x9e		// Dogecoin
+];
+
+janin.currency.WalletImportFormatRegEx = [
+	"^5[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{50}$",			// Bitcoin
+	"^6[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{50}$"			// Dogecoin
+];
+
+janin.currency.CompressedWalletImportRegEx = [
+	"^[LK][123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{51}$",		// Bitcoin
+	"^T[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{51}$"			// Dogecoin
+];
+
+
+janin.currency.changeWalletType = function (ddl) {
+
+	var netVersion = janin.currency.Address.networkVersions[ddl.selectedIndex];
+	var privKeyPrefix = janin.currency.ECKey.privateKeyPrefixes[ddl.selectedIndex];
+	var walletImportRegex = janin.currency.WalletImportFormatRegEx[ddl.selectedIndex];
+	var compressedWalletImportRegex = janin.currency.CompressedWalletImportRegEx[ddl.selectedIndex];
+	
+	janin.currency.useCurrencyWallet(
+		netVersion,
+		privKeyPrefix,
+		walletImportRegex,
+		compressedWalletImportRegex
+	);
+
+
+};
+
+janin.currency.useCurrencyWallet = function(_networkVersion, _privateKeyPrefix, _walletImportFormatRegEx, _compressedWalletImportRegEx) {
+	
+	Bitcoin.Address.networkVersion = _networkVersion; 		// mainnet
+	Bitcoin.ECKey.privateKeyPrefix = _privateKeyPrefix; 	// mainnet 0x80    testnet 0xEF
+	
+	// 51 characters base58, always starts with a '5'
+	Bitcoin.ECKey.isWalletImportFormat = function (key) {
+		key = key.toString();
+		return (ECKey.privateKeyPrefix == _privateKeyPrefix) ?
+							(/^5[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{50}$/.test(key)) :
+							(/^9[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{50}$/.test(key));
+	};
+	
+	// 52 characters base58
+	Bitcoin.ECKey.isCompressedWalletImportFormat = function (key) {
+		key = key.toString();
+		return (ECKey.privateKeyPrefix == _privateKeyPrefix) ?
+							(/^[LK][123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{51}$/.test(key)) :
+							(/^c[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{51}$/.test(key));
+	};
+	
+	ninja.wallets.singlewallet.generateNewAddressAndKey();
+}