diff --git a/Mac/PythonLauncher/MyDocument.m b/Mac/PythonLauncher/MyDocument.m
index 5acc2dc..86112c4 100755
--- a/Mac/PythonLauncher/MyDocument.m
+++ b/Mac/PythonLauncher/MyDocument.m
@@ -121,8 +121,8 @@
         return YES;
     } else {
         [self run];
-        [self close];
-        return NO;
+	[self performSelector:@selector(close) withObject:nil afterDelay:0.0];
+        return YES;
     }
 }
 
diff --git a/Mac/PythonLauncher/doscript.m b/Mac/PythonLauncher/doscript.m
index 3e4e223..024b883 100644
--- a/Mac/PythonLauncher/doscript.m
+++ b/Mac/PythonLauncher/doscript.m
@@ -11,108 +11,49 @@
 #import <ApplicationServices/ApplicationServices.h>
 #import "doscript.h"
 
-/* I assume I could pick these up from somewhere, but where... */
-#define CREATOR 'trmx'
-
-#define ACTIVATE_CMD 'misc'
-#define ACTIVATE_SUITE 'actv'
-
-#define DOSCRIPT_CMD 'dosc'
-#define DOSCRIPT_SUITE 'core'
-#define WITHCOMMAND 'cmnd'
-
-/* ... and there's probably also a better way to do this... */
-#define START_TERMINAL "/Applications/Utilities/Terminal.app/Contents/MacOS/Terminal &"
-
 extern int 
 doscript(const char *command)
 {
-    OSErr err;
-    AppleEvent theAEvent, theReply;
-    AEAddressDesc terminalAddress;
-    AEDesc commandDesc;
-    OSType terminalCreator = CREATOR;
-    
-    /* set up locals  */
-    AECreateDesc(typeNull, NULL, 0, &theAEvent);
-    AECreateDesc(typeNull, NULL, 0, &terminalAddress);
-    AECreateDesc(typeNull, NULL, 0, &theReply);
-    AECreateDesc(typeNull, NULL, 0, &commandDesc);
-    
-    /* create the "activate" event for Terminal */
-    err = AECreateDesc(typeApplSignature, (Ptr) &terminalCreator,
-            sizeof(terminalCreator), &terminalAddress);
-    if (err != noErr) {
-        NSLog(@"doscript: AECreateDesc: error %d\n", err);
-        goto bail;
-    }
-    err = AECreateAppleEvent(ACTIVATE_SUITE, ACTIVATE_CMD,
-            &terminalAddress, kAutoGenerateReturnID,
-            kAnyTransactionID, &theAEvent);
-    
-    if (err != noErr) {
-        NSLog(@"doscript: AECreateAppleEvent(activate): error %d\n", err);
-        goto bail;
-    }
-    /* send the event  */
-    err = AESend(&theAEvent, &theReply, kAEWaitReply,
-            kAENormalPriority, kAEDefaultTimeout, NULL, NULL);
-    if ( err == -600 ) {
-        int count=10;
-        /* If it failed with "no such process" try to start Terminal */
-        err = system(START_TERMINAL);
-        if ( err ) {
-            NSLog(@"doscript: system(): %s\n", strerror(errno));
-            goto bail;
-        }
-        do {
-            sleep(1);
-            /* send the event again */
-            err = AESend(&theAEvent, &theReply, kAEWaitReply,
-                    kAENormalPriority, kAEDefaultTimeout, NULL, NULL);
-        } while (err == -600 && --count > 0);
-        if ( err == -600 )
-            NSLog(@"doscript: Could not activate Terminal\n");
-    }
-    if (err != noErr) {
-        NSLog(@"doscript: AESend(activate): error %d\n", err);
-        goto bail;
-    }
-            
-    /* create the "doscript with command" event for Terminal */
-    err = AECreateAppleEvent(DOSCRIPT_SUITE, DOSCRIPT_CMD,
-            &terminalAddress, kAutoGenerateReturnID,
-            kAnyTransactionID, &theAEvent);
-    if (err != noErr) {
-        NSLog(@"doscript: AECreateAppleEvent(doscript): error %d\n", err);
-        goto bail;
-    }
-    
-    /* add the command to the apple event */
-    err = AECreateDesc(typeChar, command, strlen(command), &commandDesc);
-    if (err != noErr) {
-        NSLog(@"doscript: AECreateDesc(command): error %d\n", err);
-        goto bail;
-    }
-    err = AEPutParamDesc(&theAEvent, WITHCOMMAND, &commandDesc);
-    if (err != noErr) {
-        NSLog(@"doscript: AEPutParamDesc: error %d\n", err);
-        goto bail;
-    }
+	char *bundleID = "com.apple.Terminal";
+	AppleEvent evt, res;
+	AEDesc desc;
+	OSStatus err;
 
-    /* send the command event to Terminal.app */
-    err = AESend(&theAEvent, &theReply, kAEWaitReply,
-            kAENormalPriority, kAEDefaultTimeout, NULL, NULL);
-    
-    if (err != noErr) {
-        NSLog(@"doscript: AESend(docommand): error %d\n", err);
-        goto bail;
-    }
-    /* clean up and leave */
-bail:
-    AEDisposeDesc(&commandDesc);
-    AEDisposeDesc(&theAEvent);
-    AEDisposeDesc(&terminalAddress);
-    AEDisposeDesc(&theReply);
-    return err;
+	[[NSWorkspace sharedWorkspace] launchApplication:@"/Applications/Utilities/Terminal.app/"];
+
+	// Build event
+	err = AEBuildAppleEvent(kAECoreSuite, kAEDoScript,
+	                         typeApplicationBundleID,
+	                         bundleID, strlen(bundleID),
+	                         kAutoGenerateReturnID,
+	                         kAnyTransactionID,
+	                         &evt, NULL,
+	                         "'----':utf8(@)", strlen(command),
+	                         command);
+	if (err) {
+		NSLog(@"AEBuildAppleEvent failed: %d\n", err);
+		return err;
+	}
+
+	// Send event and check for any Apple Event Manager errors
+	err = AESendMessage(&evt, &res, kAEWaitReply, kAEDefaultTimeout);
+	AEDisposeDesc(&evt);
+	if (err) {
+		NSLog(@"AESendMessage failed: %d\n", err);
+		return err;
+	}
+	// Check for any application errors
+	err = AEGetParamDesc(&res, keyErrorNumber, typeSInt32, &desc);
+	AEDisposeDesc(&res);
+	if (!err) {
+		AEGetDescData(&desc, &err, sizeof(err));
+		NSLog(@"Terminal returned an error: %d", err);
+		AEDisposeDesc(&desc);
+	} else if (err == errAEDescNotFound) {
+		err = noErr;
+	} else {
+		NSLog(@"AEGetPArmDesc returned an error: %d", err);
+	}
+
+	return err;
 }