Synnefo

            // It seems that Safari allows popup windows only if the window.open

            // call is made within an html element click event context. 

            // Otherwise its behaviour is based on "Block Pop-Up Windows" 

            // setting, which when enabled no notification appears for the user. 

            // Since there is no easy way to check for the setting value we use

            // async:false for the action call so that action success handler 

            // which opens the new window is called inside the click event 

            // context.

            var use_async = true;

            if ($.client.browser == "Safari") {

                use_async = false;

            }

            }, undefined, {async: use_async});