diff --git a/embedding/components/ui/progressDlg/nsProgressDialog.js b/embedding/components/ui/progressDlg/nsProgressDialog.js
index 0de7463512f9..4239ce545a83 100644
--- a/embedding/components/ui/progressDlg/nsProgressDialog.js
+++ b/embedding/components/ui/progressDlg/nsProgressDialog.js
@@ -88,7 +88,7 @@ nsProgressDialog.prototype = {
 
     // getters/setters
     get saving()            { return this.MIMEInfo == null ||
-			      this.MIMEInfo.preferredAction == Components.interfaces.nsIMIMEInfo.saveToDisk; },
+                              this.MIMEInfo.preferredAction == Components.interfaces.nsIMIMEInfo.saveToDisk; },
     get parent()            { return this.mParent; },
     set parent(newval)      { return this.mParent = newval; },
     get operation()         { return this.mOperation; },
@@ -370,7 +370,7 @@ nsProgressDialog.prototype = {
             this.setValue( "sourceLabel", this.getString( "openingSource" ) );
 
             // Target is the "preferred" application.  Hide if empty.
-	    if ( this.MIMEInfo && this.MIMEInfo.preferredApplicationHandler ) {
+            if ( this.MIMEInfo && this.MIMEInfo.preferredApplicationHandler ) {
                 var appName = this.MIMEInfo.preferredApplicationHandler.leafName;
                 if ( appName == null || appName.length == 0 ) {
                     this.hide( "targetRow" );
@@ -486,13 +486,13 @@ nsProgressDialog.prototype = {
                return;
              }
              var title = this.getProperty( "openingAlertTitle",
-					   [ this.fileName() ],
-					   1 );
+                                           [ this.fileName() ],
+                                           1 );
              var msg = this.getProperty( "securityAlertMsg",
-					 [ this.fileName() ],
-					 1 );
+                                         [ this.fileName() ],
+                                         1 );
              var dontaskmsg = this.getProperty( "dontAskAgain",
-						[ ], 0 );
+                                                [ ], 0 );
              var checkbox = {value:0};
              var okToProceed = promptService.confirmCheck(window, title, msg, dontaskmsg, checkbox);
              try {
@@ -502,9 +502,9 @@ nsProgressDialog.prototype = {
 
              if ( !okToProceed )
                return;
-             }
-             this.target.launch();
-             this.dialog.close();
+           }
+           this.target.launch();
+           this.dialog.close();
          } catch ( exception ) {
              // XXX Need code here to tell user the launch failed!
              dump( "nsProgressDialog::onLaunch failed: " + exception + "\n" );