function openWindow1(url) { popupWin = window.open(url, '', 'scrollbars=yes,resizable=yes,width=635,height=600,top=yes') 
  }

function openWindow2(url) { popupWin = window.open(url, '', 'scrollbars=yes,resizable=yes,width=500,height=700,top=yes') 
  }