var win= null;
function newwindow(mypage,myname,w,h,scroll) {
  var winl = (screen.width-w)/2;
  var wint = (screen.height-h)/2;
  var settings  ='height='+h+',';
      settings +='width='+w+',';
      settings +='top='+wint+',';
      settings +='left='+winl+',';
      settings +='scrollbars='+scroll+',';
      settings +='resizable=no';
      settings +='toolbar=no';
      settings +='status=no';
      settings +='menubar=no';
  win=window.open(mypage,myname,settings);
  if(parseInt(navigator.appVersion) >= 4){win.window.focus();}
}

function winPopup(url,winHwd,t,l,h,w)
{ jsWin=window.open(url,winHwd,'scrolling=yes,toolbar=no,resizable=yes,location=no,directories=no,status=no,menubar=no,scrollbars=yes,titlebar=no,width='+w+',height='+h+',top='+t+',left='+l);
}