diff --git a/app.js b/app.js
index db27c0b..8c93795 100644
--- a/app.js
+++ b/app.js
@@ -95,15 +95,17 @@ function require(FN) {
 
     // get directory name
     var getDirName = function(path) {
-        var pos = path.lastIndexOf("\\");
-        return path.substring(0, pos);
+        var delimiter = "\\";
+        var pos = path.lastIndexOf(delimiter);
+        return (pos > -1 ? path.substring(0, pos) : "");
     };
 
     // get current script directory
     var getCurrentScriptDirectory = function() {
         if (typeof(WScript) !== "undefined") {
-            var path = WScript.ScriptFullName;
-            return getDirName(path);
+            return getDirName(WScript.ScriptFullName);
+        } else if (typeof(document) !== "undefined") {
+            return getDirName(document.location.pathname);
         } else {
             return ".";
         }
diff --git a/bootstrap.js b/bootstrap.js
index 41e4dd6..3cd5597 100644
--- a/bootstrap.js
+++ b/bootstrap.js
@@ -24,7 +24,7 @@ exports.main = function(args) {
     REG.write(REG.HKCR, __config.appName, "", "URL:" + __config.appName, REG.STRING);
     REG.write(REG.HKCR, __config.appName, "URL Protocol", "", REG.STRING);
     REG.write(REG.HKCR, __config.appName + "\\DefaultIcon", "", SYS.getCurrentScriptDirectory() + "\\app\\favicon.ico,0", REG.STRING);
-    REG.write(REG.HKCR, __config.appName + "\\shell\\open\\command", "", "cscript " + SYS.getCurrentScriptDirectory() + "\\app.js uriloader \"%1\"", REG.STRING);
+    REG.write(REG.HKCR, __config.appName + "\\shell\\open\\command", "", "cmd.exe /c cscript " + SYS.getCurrentScriptDirectory() + "\\app.js uriloader \"%1\"", REG.STRING);
 
     // open HTA file
     console.log("Trying open GUI...");
diff --git a/lib/system.js b/lib/system.js
index f300937..5c42902 100644
--- a/lib/system.js
+++ b/lib/system.js
@@ -99,21 +99,33 @@ exports.getCurrentWorkingDirectory = function() {
     } catch (e) {}
 };
 
-// "console only";
+exports.getDirName = function(path) {
+    var delimiter = "\\";
+    var pos = path.lastIndexOf(delimiter);
+    return (pos > -1 ? path.substring(0, pos) : "");
+};
+
+exports.getFileName = function(path) {
+    var delimiter = "\\";
+    var pos = path.lastIndexOf(delimiter);
+    return (pos > -1 ? path.substring(pos + delimiter.length) : "");
+};
+
 exports.getCurrentScriptDirectory = function() {
-    if(typeof(WScript) !== "undefined") {
-        var path = WScript.ScriptFullName;
-        var pos = path.lastIndexOf("\\");
-        return path.substring(0, pos);
+    if (typeof(WScript) !== "undefined") {
+        return exports.getDirName(WScript.ScriptFullName);
+    } else if (typeof(document) !== "undefined") {
+        return exports.getDirName(document.location.pathname);
     } else {
         return ".";
     }
 };
 
-// "console only";
 exports.getCurrentScriptName = function() {
     if(typeof(WScript) !== "undefined") {
         return WScript.ScriptName;
+    } else if (typeof(document) !== "undefined") {
+        return exports.getFileName(document.location.pathname);
     } else {
         return "";
     }