function newwindow(url) { 
  window.open(url,'mywindow','width=200,height=350,left=0,top=0,screenX=0,screenY=100,toolbar=no,resizable=yes,location=no,status=no,menubar=no,scrollbars=yes,copyhistory=no,resizable=yes');
}

function printcoupon(url) { 
  window.open(url,'mywindow','width=525,height=325,left=0,top=0,screenX=0,screenY=100,toolbar=yes,resizable=yes,location=no,status=no,menubar=no,scrollbars=yes,copyhistory=no,resizable=yes');
}