//------------------------------------------------------------
// Funtions to show pop-up windows
//------------------------------------------------------------

function detailwindowopen( lecture )
{
//  var url = 'upcoming-seminars-' + lecture + ".shtml";
  var url = lecture;
  window.open(url , '', 'toolbar=0,menubar=0,resizable=1,dependent=0,,width=650,height=500,scrollbars=1' );
}

function locationwindowopen( lecture )
{
//  var url = 'upcoming-seminars-locations-' + lecture + ".shtml";
  var url = lecture;
  window.open(url , '', 'toolbar=0,menubar=0,resizable=1,dependent=0,,width=650,height=200,scrollbars=1' );
}


//------------------------------------------------------------
// Funtions to help during the sign-up process
//------------------------------------------------------------
function validate()
{
  if (document.frm1.elements[0].type == "text")
  {
    if ( document.frm1.elements[0].value == "" )
    {
      document.frm1.elements[0].focus();
      alert("Please enter appropriate value for E-mail Address");
      return false;
    };
  };
  if ( !isemail( document.frm1.fldEmail.value) )
  {
    document.frm1.fldEmail.focus();
    alert("Please Correct Email ID");
    return false;
  };
  return true;
};

function doSubmit()
{
  if (validate())
  {
    document.frm1.submit();
  };
}