function window_open(url,name,width,height,scroll)
{
  var NewWin = window.open(url,name,'align=center,toolbar=no,status=no,location=no,directories=no,resizable=yes,width='+width+',height='+height+',scrollbars='+scroll+',left=0px, top=0px, menubar=no')
  NewWin.focus();
}