function open_window(name, url, left, top, width, height, toolbar, menubar, statusbar, scrollbar, resizable)
{
  toolbar = toolbar ? 'yes' : 'no';
  menubar = menubar ? 'yes' : 'no';
  statusbar = statusbar ? 'yes' : 'no';
  scrollbar = scrollbar ? 'yes' : 'no';
  resizable = resizable ? 'yes' : 'no';
  window.open(url, name, 'left='+left+',top='+top+',width='+width+',height='+height+',toolbar='+toolbar+',menubar='+menubar+',status='+statusbar+',scrollbars='+scrollbar+',resizable='+resizable);
}