var isIE = window.clientInformation? true : false;
var ie = document.all != null;
var safari = navigator.userAgent.indexOf("Safari") != -1;
var moz = !ie && !safari && document.getElementById != null &&
          document.layers == null && navigator.userAgent.indexOf("Netscape/7.02") == -1 &&
          (navigator.userAgent.indexOf("Gecko") || navigator.userAgent.indexOf("Firefox"));

aMonths = new Array();

aMonths["JAN"] = 1;
aMonths["FEB"] = 2;
aMonths["MAR"] = 3;
aMonths["APR"] = 4;
aMonths["MAY"] = 5;
aMonths["JUN"] = 6;
aMonths["JUL"] = 7;
aMonths["AUG"] = 8;
aMonths["SEP"] = 9;
aMonths["OCT"] = 10;
aMonths["NOV"] = 11;
aMonths["DEC"] = 12;

function validEmail(Paddress)
  {
  var Vre;
  var Vret;
  Vre = /^[a-zA-Z0-9_\-\.]+@[a-zA-Z0-9_\-]+\.[a-zA-Z0-9_\-\.]+$/;
  Vret = Paddress.search(Vre);

  if (Vret == 0)
    {
    return true
    }
  else
    {
    return false
    }
  }

function checkDate(Pdate)
  {
  var Vdate1;
  var Vdate2;
  var Vre;
  var Vret;
  Vre = /-|\//;
  Vret = Pdate.split(Vre);
  Vdate1 = new Date();
  Vdate2 = new Date();
  Vdate1.setDate(1);
  Vdate2.setDate(1);

  if (Vret[2].length == 2)
    {
    Vret[2] = "20" + Vret[2];
    }

  Vdate1.setYear(parseInt(Vret[2], 10));
  Vdate2.setYear(parseInt(Vret[2], 10));
  Vdate1.setMonth(parseInt(Vret[1], 10) - 1);
  Vdate2.setMonth(parseInt(Vret[1], 10) - 1);
  Vdate1.setDate(parseInt(Vret[0], 10));

  if (Vdate1.getMonth() != Vdate2.getMonth())
    {
    return false;
    }
  else
    {
    return true;
    }
  }