function openPopUp(url,width,height,centered,toolbar,menubar,status,resizeable,scrollbars)
{
  var width;
  var height;
  var top;
  var left;
  var centered;
  var resizeable;
  var scrollbars;
  var toolbar;
  var menubar;
  var status;

  if (centered == 1)
  {
    top = Math.ceil((screen.availHeight - height) / 2);
    left = Math.ceil((screen.availWidth - width - 20) / 2);
  }
  else
  {
    top = 0;
    left = 0;
  }

  if (toolbar == 0)
    toolbar = "no";
  else
    toolbar = "yes";

  if (menubar == 0)
    menubar = "no";
  else
    menubar = "yes";

  if (status == 0)
    status = "no";
  else
    status = "yes";

  if (resizeable == 0)
    resizeable = "no";
  else
    resizeable = "yes";

  if (scrollbars == 0)
    scrollbars = "no";
  else
    scrollbars = "yes";

  window.open(url,"","width="+width+",height="+height+",top="+top+",left="+left+",toolbar="+toolbar+",menubar="+menubar+",status="+status+",resizable="+resizeable+",scrollbars="+scrollbars);
}