function linkgen(lnk)
{
  cs='"comic sans ms"'
  lnkstr="<A HREF='javascript:void("+lnk+"())'><B><FONT SIZE='+2' COLOR='#806000' FACE='"+cs+",arial,helvetica'>"
  document.writeln(lnkstr)
  lnkstr2=lnk+"</FONT></B></A>"
  document.writeln(lnkstr2)
}
function limit(d)
{
  mn=12139
  mx=12210
  if ( d < mn )
  {
    alert ("Redirecting you to the first day")
    d=mn
  }
  if ( d > mx )
  {
    alert ("Redirecting you to the last day")
    d=mx
  }
  return d
}
function today()
{
  todaysdate=new Date()
  ms=Number(todaysdate)
  s=ms/1000
  d=Math.floor(s/86400)
  d=limit(d)
  fn=d+".htm"
  window.location=fn
}
function yesterday()
{
  todaysdate=new Date()
  ms=Number(todaysdate)
  s=ms/1000
  d=Math.floor(s/86400)-1
  d=limit(d)
  fn=d+".htm"
  window.location=fn
}
function next()
{
  dd=window.location.pathname
  cid=dd.indexOf(".htm")
  beginslice=cid-5
  endslice=cid
  num=Number(dd.slice(beginslice,endslice))
  d=num+1
  d=limit(d)
  fn=d+".htm"
  window.location=fn
}
function previous()
{
  dd=window.location.pathname
  cid=dd.indexOf(".htm")
  beginslice=cid-5
  endslice=cid
  num=Number(dd.slice(beginslice,endslice))
  d=num-1
  d=limit(d)
  fn=d+".htm"
  window.location=fn
}