// ----------------------------------------------------------------------------
// DATE VALIDATION
// ----------------------------------------------------------------------------
function checkValidDate(dateStr) {
    // dateStr must be of format month day year with either slashes
    // or dashes separating the parts. Some minor changes would have
    // to be made to use day month year or another format.
    // This function returns True if the date is valid.
    var slash1 = dateStr.indexOf("/");
    if (slash1 == -1) { slash1 = dateStr.indexOf("-"); }
    // if no slashes or dashes, invalid date
    if (slash1 == -1) { return false; }
    var dateMonth = dateStr.substring(0, slash1)
    var dateMonthAndYear = dateStr.substring(slash1+1, dateStr.length);
    var slash2 = dateMonthAndYear.indexOf("/");
    if (slash2 == -1) { slash2 = dateMonthAndYear.indexOf("-"); }
    // if not a second slash or dash, invalid date
    if (slash2 == -1) { return false; }
    var dateDay = dateMonthAndYear.substring(0, slash2);
    var dateYear = dateMonthAndYear.substring(slash2+1, dateMonthAndYear.length);
    if ( (dateMonth == "") || (dateDay == "") || (dateYear == "") ) { return false; }
    // if any non-digits in the month, invalid date
    for (var x=0; x < dateMonth.length; x++) {
        var digit = dateMonth.substring(x, x+1);
        if ((digit < "0") || (digit > "9")) { return false; }
    }
    // convert the text month to a number
    var numMonth = 0;
    for (var x=0; x < dateMonth.length; x++) {
        digit = dateMonth.substring(x, x+1);
        numMonth *= 10;
        numMonth += parseInt(digit);
    }
    if ((numMonth <= 0) || (numMonth > 12)) { return false; }
    // if any non-digits in the day, invalid date
    for (var x=0; x < dateDay.length; x++) {
        digit = dateDay.substring(x, x+1);
        if ((digit < "0") || (digit > "9")) { return false; }
    }
    // convert the text day to a number
    var numDay = 0;
    for (var x=0; x < dateDay.length; x++) {
        digit = dateDay.substring(x, x+1);
        numDay *= 10;
        numDay += parseInt(digit);
    }
    if ((numDay <= 0) || (numDay > 31)) { return false; }
    // February can't be greater than 29 (leap year calculation comes later)
    if ((numMonth == 2) && (numDay > 29)) { return false; }
    // check for months with only 30 days
    if ((numMonth == 4) || (numMonth == 6) || (numMonth == 9) || (numMonth == 11)) { 
        if (numDay > 30) { return false; } 
    }
    // if any non-digits in the year, invalid date
    for (var x=0; x < dateYear.length; x++) {
        digit = dateYear.substring(x, x+1);
        if ((digit < "0") || (digit > "9")) { return false; }
    }
    // convert the text year to a number
    var numYear = 0;
    for (var x=0; x < dateYear.length; x++) {
        digit = dateYear.substring(x, x+1);
        numYear *= 10;
        numYear += parseInt(digit);
    }
    // Year must be a 2-digit year or a 4-digit year
    if ( (dateYear.length != 2) && (dateYear.length != 4) ) { return false; }
    // if 2-digit year, use 50 as a pivot date
    if ( (numYear < 50) && (dateYear.length == 2) ) { numYear += 2000; }
    if ( (numYear < 100) && (dateYear.length == 2) ) { numYear += 1900; }
    if ((numYear <= 0) || (numYear > 9999)) { return false; }
    // check for leap year if the month and day is Feb 29
    if ((numMonth == 2) && (numDay == 29)) {
        var div4 = numYear % 4;
        var div100 = numYear % 100;
        var div400 = numYear % 400;
        // if not divisible by 4, then not a leap year so Feb 29 is invalid
        if (div4 != 0) { return false; }
        // at this point, year is divisible by 4. So if year is divisible by
        // 100 and not 400, then it's not a leap year so Feb 29 is invalid
        if ((div100 == 0) && (div400 != 0)) { return false; }
    }
    // date is valid
    return true;
}
// ----------------------------------------------------------------------------
// DATE VALIDATION FINISHED
// ----------------------------------------------------------------------------

//<input type=button value="Submit" onClick="verify(this.form)">

//<script language="JavaScript"><!--
//function verify(form) {
//   dateFieldValue = form.DateField.value;
//   if (checkValidDate(dateFieldValue)) {
//      form.submit();
//      return true;
//   } else {
//      alert("The date you supplied was invalid. Please try again.");
//      return false;
//   }
//}
//    //-->
//</script>

function e(s) {
	rex=true;
	if (window.RegExp)
	{
		st="a";ex=new RegExp(st);
		if (st.match(ex)) {
		r1=new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)");
		r2=new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$");
		b=(!r1.test(s)&&r2.test(s));
		}
		else
		{
			rex=false;
		}
	}
	else
	{
		rex=false;
	}
	if(!rex) b=(s.indexOf("@")>0 && s.indexOf(".")>0 && s!="" && s!="enter e-mail");
	return (b);
}

function CheckALL(refControlArray,strAny){
	var formIndex;
	var controlMax = refControlArray.length
	for (formIndex = 0; formIndex < controlMax; formIndex++)
	{
		if (refControlArray[formIndex].value==strAny){
		refControlArray[formIndex].checked = true;
		}
		else{
		refControlArray[formIndex].checked = false;
		}
	}
}

function UnCheckLATER(refControlArray,strAny){
	var formIndex;
	var controlMax = refControlArray.length
	for (formIndex = 0; formIndex < controlMax; formIndex++)
	{
		if (refControlArray[formIndex].value==strAny){
		refControlArray[formIndex].checked = false;
		}
	}
}

function isAlphanumeric(string, ignoreWhiteSpace) {
	if (string.search) {
		if ((ignoreWhiteSpace && string.search(/[^\w\s][_]/) != -1) || (!ignoreWhiteSpace && string.search(/\W/) != -1)) return false;
	}
	return true;
}


function openMailbox(){

  var app=navigator.appName, popurl="../mailbox/mailhome.asp";
  if (app.indexOf('Microsoft') == 0) {
  	winpops=window.open(popurl,"","scrollbars=yes,width=600,height=350,left=0,top=195")
  }else if (app.indexOf('Netscape') == 0) {
	winpops=window.open(popurl,"","scrollbars=yes,width=600,height=350,screenX=0,screenY=195")
  } 
}

function get_cookie(Name) {
  var search = Name + "="
  var returnvalue = "";
  if (document.cookie.length > 0) {
    offset = document.cookie.indexOf(search)
    if (offset != -1) { // if cookie exists
      offset += search.length
      // set index of beginning of value
      end = document.cookie.indexOf(";", offset);
      // set index of end of cookie value
      if (end == -1)
         end = document.cookie.length;
      returnvalue=unescape(document.cookie.substring(offset, end))
      }
   }
  return returnvalue;
}

function loadMailOnce(){
	if (get_cookie('MailBoxLoaded')==''){
		openMailbox()
		document.cookie="MailBoxLoaded=yes"
	}
}