function openlogin(url)
    {
       window.open(url,'login','resizable=yes,scrollbars=yes,left=300,top=300,width=370,height=590')
    }
    
    function openmaxwindow(url, title, w, h)
    {
       var t = 50
       var useh = (screen.height - t - 140 < h) ? screen.height - t - 140 : h
       var parm = 'resizable=yes,scrollbars=yes,status=yes,left=100,top=' + t + ',width=' + w + ',height=' + useh
       window.open(url,title,parm)
   }

   function resizemaxwindow(w, h) {
       var t = 50
       var useh = (screen.height - t - 140 < h) ? screen.height - t - 140 : h
       window.moveTo(100,t)
       window.resizeTo(w, useh)
   }