在flex中执行一个javascript方法的简单方式

ExternalInterface.call("eval", "myWin = window.open('" + url + "', '" + windowId + "', 'toolbar=1,scrollbars=0,location=1,statusbar=0,menubar=0,resizable=0,width=" + width + ",height=" + height + ",left=" + left + ",top=" + top + "');myWin.focus()");