function collapse(oShow, oHide, conHide)
{
  document.getElementById(oHide).style.visibility="hidden";
  document.getElementById(conHide).style.display="none";
  document.getElementById(oShow).style.visibility="visible";
}

function expand(oShow, oHide, conShow)
{
  document.getElementById(oHide).style.visibility="hidden";
  document.getElementById(conShow).style.display="";
  document.getElementById(oShow).style.visibility="visible";
}

function open_win(url)
{
  newWin = window.open(url,'Details','location=no,menubar=no,resizable=yes,scrollbars=yes,status=no,toolbar=no,height=600,width=800');
  newWin.focus(); 
  return false;
}