diff --git a/workflow/engine/templates/processes/main.js b/workflow/engine/templates/processes/main.js
index 97717d73f..740c0c357 100755
--- a/workflow/engine/templates/processes/main.js
+++ b/workflow/engine/templates/processes/main.js
@@ -587,7 +587,7 @@ function saveProcess()
             		 if ( typeof(winDesigner) == "undefined" || winDesigner.closed ){
             			 winDesigner = window.open(
                     			  "../designer?prj_uid="+resp.result.PRO_UID,
-                    			  '_blank'
+                    			  'winDesigner'
                     			);
                   	 } else {
                   		PMExt.error( _('ID_FAILED'), _('PROCESS_ALREADY_OPENED'));
@@ -648,7 +648,7 @@ editProcess = function(typeParam)
 	  if (typeof(winDesigner) == "undefined" || winDesigner.closed){
 		  winDesigner = window.open(
 				  url,
-				  '_blank'
+				  'winDesigner'
 				);
    	 } else {
    		PMExt.error( _('ID_FAILED'), _('PROCESS_ALREADY_OPENED'));
@@ -964,7 +964,7 @@ importProcessExistGroup = function()
                         	if (typeof(winDesigner) == "undefined" || winDesigner.closed){
                         		winDesigner = window.open(
                             			  "../designer?prj_uid=" + sNewProUid,
-                            			  '_blank'
+                            			  'winDesigner'
                             			);
                         	} else {
                         		PMExt.error( _('ID_FAILED'), _('PROCESS_ALREADY_OPENED'));
@@ -1110,7 +1110,7 @@ importProcessExistProcess = function()
                             	if (typeof(winDesigner) == "undefined" || winDesigner.closed){
                             		winDesigner = window.open(
                                 			  "../designer?prj_uid=" + sNewProUid,
-                                			  '_blank'
+                                			  'winDesigner'
                                 			);
                             	} else {
                             		PMExt.error( _('ID_FAILED'), _('PROCESS_ALREADY_OPENED'));
@@ -1248,7 +1248,7 @@ importProcess = function()
                             		 if (typeof(winDesigner) == "undefined" || winDesigner.closed){
                             			 winDesigner = window.open(
                                     			  "../designer?prj_uid=" + sNewProUid,
-                                    			  '_blank'
+                                    			  'winDesigner'
                                     			);
                                   	 } else {
                                   		PMExt.error( _('ID_FAILED'), _('PROCESS_ALREADY_OPENED'));
@@ -1564,3 +1564,7 @@ function enableDisableDebug()
 
 }
 
+Ext.EventManager.on(window, 'beforeunload', function () {
+    if (winDesigner)
+        winDesigner.close();
+});
\ No newline at end of file