diff --git a/bgloader.js b/bgloader.js
index 50953a1..690557f 100644
--- a/bgloader.js
+++ b/bgloader.js
@@ -1,12 +1,49 @@
-function main() {
-	var args = [];
-	var argl = WScript.arguments.length;
-	for (var i = 0; i < argl; i++) {
-		args.push(WScript.arguments(i));
-	}
-
-	var objShell = WScript.CreateObject("WScript.Shell");
-	objShell.Run(args.join(' '), 0, true);
+if (!Array.prototype.map) {
+    Array.prototype.map = function(fn) {
+        var rv = [];
+        for (var i = 0; i < this.length; i++)
+            rv.push(fn(this[i]));
+        return rv;
+    };
 }
 
+function main() {
+    var args = [];
+    var argl = WScript.arguments.length;
+    for (var i = 0; i < argl; i++) {
+        args.push(WScript.arguments(i));
+    }
+
+    var objShell = WScript.CreateObject("WScript.Shell");
+    objShell.Run(build(args), 0, true);
+}
+
+function build(cmd) {
+    if (typeof(cmd) === "string") {
+        return cmd;
+    } else if (typeof(cmd) === "object") {
+        return cmd.map(function(s) {
+            var regex = /[ "]/g;
+            if (!regex.test(s)) {
+                return s;
+            } else {
+                return "\"" + addslashes(s) + "\"";
+            }
+        }).join(' ');
+    } else {
+        return "";
+    }
+}
+
+function addslashes(s) {
+    return s.toString().replace(/\\/g, '\\\\').
+    replace(/\u0008/g, '\\b').
+    replace(/\t/g, '\\t').
+    replace(/\n/g, '\\n').
+    replace(/\f/g, '\\f').
+    replace(/\r/g, '\\r').
+    replace(/'/g, '\\\'').
+    replace(/"/g, '\\"');
+};
+
 main();
\ No newline at end of file