<!--

// ******************************************************************
// This function accepts a string variable and verifies if it is a
// proper date or not. It validates format matching either
// mm-dd-yyyy or mm/dd/yyyy. Then it checks to make sure the month
// has the proper number of days, based on which month it is.

// The function returns true if a valid date, false if not.
// ******************************************************************

function isDate(dateStr) {

    var datePat = /^(\d{1,2})(\/|-)(\d{1,2})(\/|-)(\d{4})$/;
    var matchArray = dateStr.match(datePat); // is the format ok?

    if (matchArray == null) {
        //alert("Please enter date as either mm/dd/yyyy or mm-dd-yyyy.");
        return false;
    }

    month = matchArray[1]; // parse date into variables
    day = matchArray[3];
    year = matchArray[5];

    if (month < 1 || month > 12) { // check month range
        //alert("Month must be between 1 and 12.");
        return false;
    }

    if (day < 1 || day > 31) {
        //alert("Day must be between 1 and 31.");
        return false;
    }

    if ((month==4 || month==6 || month==9 || month==11) && day==31) {
        //alert("Month "+month+" doesn't have 31 days!")
        return false;
    }

    if (month == 2) { // check for february 29th
        var isleap = (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0));
        if (day > 29 || (day==29 && !isleap)) {
            //alert("February " + year + " doesn't have " + day + " days!");
            return false;
        }
    }
    return true; // date is valid
}


function validEmail(email) {
			invalidChars = " /:,;"
	
			if (email == "") {
				return false;
			}
			for (i=0; i<invalidChars.length; i++) {
				badChar = invalidChars.charAt(i)
				if (email.indexOf(badChar,0) > -1) {
					return false;
				}
			}
			atPos = email.indexOf("@",1)
			if (atPos == -1) {
				return false;
			}
			if (email.indexOf("@",atPos+1) > -1) {
				return false;
			}
			periodPos = email.indexOf(".",atPos)
			if (periodPos == -1) {
				return false;
			}
			if (periodPos+3 > email.length)	{
				return false;
			}
			return true;
		}


function validateMember(form){
        var msgStr = 'The following information must be provided before submitting the member information:\r';
        var error = false;
		if (((form.memberstatus[0].checked) == false) && ((form.memberstatus[1].checked) == false)){
                error = true;
                msgStr = msgStr + 'Active or Inactive Member?\r';
                }
        if ((form.fname.value == '') || (form.fname.value == null) || (form.fname.value == ' ')){
                error = true;
                msgStr = msgStr + 'First Name\r';
                }
        if ((form.lname.value == '') || (form.lname.value == null) || (form.lname.value == ' ')){
                error = true;
                msgStr = msgStr + 'Last Name\r';
                }
if ((form.address1.value == '') || (form.address1.value == null) || (form.address1.value == ' ')){
                error = true;
                msgStr = msgStr + 'Address\r';
                }
if ((form.city.value  == '') || (form.city.value == null) || (form.city.value == ' ')){
                error = true;
                msgStr = msgStr + 'City\r';
                }
  if ((form.zip.value == '') || (form.zip.value == null) || (form.zip.value == ' ')){
                error = true;
                msgStr = msgStr + 'Zip\r';
                }
if ((form.phone.value == '') || (form.phone.value == null) || (form.phone.value == ' ')){
                error = true;
                msgStr = msgStr + 'Phone Number\r';
                }
if ((form.email1.value == '') || (form.email1.value == null) || (form.email1.value == ' ')){
                error = true;
                msgStr = msgStr + 'Email\r';
                }

	if (error){
                alert(msgStr);
                return false;
			} else {
				
				

if (validEmail(form.email1.value)){
			//sender's email address is valid - now check other
			if (((form.ind_cons_bus_own.checked) == 1) && (form.numemployees.value == 'none')){
			alert("You've selected that the member is an independent business owner.  Please also select the number of employees in the business before submitting.");
			return false;
			} else {
				if (((form.student.checked) == 1) && (form.status[0].checked == false) && (form.status[1].checked == false)){
				alert("You've selected that the member is a student.  Please also indicate whether the member is a full-time or part-time student before submitting.");
			return false;
				} else {
					if (((form.student.checked) == 1) && ((form.school_name.value == '') || (form.school_name.value == null) || (form.school_name.value == ' '))){
			alert("You've selected that the member is a student.  Please also indicate the school, college or university the member is attending before submitting.");
			return false;
			} else {
				if (((form.dues[0].checked) == false) && ((form.dues[1].checked) == false) && ((form.dues[2].checked) == false)){
				alert("Please select the appropriate membership type before submitting the member data.");
			return false;
				} else {
			if (((form.dues[0].checked) == true) || ((form.dues[1].checked) == true) || ((form.dues[2].checked) == true)){
			if ((form.expires.value == '') || (form.expires.value == null) || (form.expires.value == ' ')){
				alert("You've selected a membership type that requires an expiration date also be entered. Please add a date [mm/dd/yyyy] to the expiration date field.");
			return false;
				} else {
					if (isDate(form.expires.value) == true){
						if (isDate(form.joindate.value) || (form.joindate.value == '') || (form.joindate.value == null) || (form.joindate.value == ' ')){
			return true;
					} else {
						alert("Please enter the Original Join Date in the proper date format.  Please enter date as either mm/dd/yyyy or mm-dd-yyyy.");
						return false;
					}
					} else {
						alert("Please enter the Chapter Membership Expiration Date in the proper date format.  Please enter date as either mm/dd/yyyy or mm-dd-yyyy.");
						return false;
					}
				
					
				}
			}
			}
			}
			}
			}
			
			} else {
				
    alert("Please enter a valid email address before submitting the member information.");
			return false;
	}
	
}
}



// -->