//Functions below to validate input for candy_club.asp form
function validateFormOnSubmit(frm) {
	form = frm.form;
	var reason = "";
	
	reason += validateEmpty(form.name, 'Name');
	reason += validateEmail(form.eemail);
	reason += validateEmpty(form.address, 'Address');
	reason += validateEmpty(form.city, 'City');
	reason += validateEmpty(form.state, 'State');
	reason += validateEmpty(form.postal_code, 'Zip');
	
	if(reason != "") {
		alert("Please fill in all required fields: \n" + reason);
		return false;
	}
	return true;
	//this.form.submit();
}

function validateElertsFormOnSubmit(frm) {
	form = frm.form;
	var reason = "";
	
	reason += validateFirstName(form.firstname, 'First Name');
	reason += validateLastName(form.lastname, 'Last Name');
	reason += validateEmail(form.eemail);
	
	if(reason != "") {
		alert("Please fill in all required fields: \n" + reason);
		return false;
	}
	return true;
	//this.form.submit();
}

function validatePositive(fld, fldName) {
	var error = "";
	
	if(fld.value < 1) {
		fld.style.background = 'Yellow';
		error = "Invalid Donation Amount.\n";
	}
	else {
		fld.style.background = 'White';
	}
	return error;
}

function validateEmpty(fld, fldName) {
	var error = "";
	
	if(fld == null) {
		return 'Field DNE';
	}
	if(fld.value == '') {
		fld.style.background = 'Yellow';
		error = "Please fill in "+fldName+".\n";
	}
	else {
		fld.style.background = 'White';
	}
	return error;
}

function validateFirstName(fld, fldName) {
	var error = "";
	
	if(fld == null) {
		return 'Field DNE';
	}
	if((fld.value == '') || (fld.value == 'First Name')) {
		fld.style.background = 'Yellow';
		error = "Please fill in "+fldName+".\n";
	}
	else {
		fld.style.background = 'White';
	}
	return error;
}

function validateLastName(fld, fldName) {
	var error = "";
	
	if(fld == null) {
		return 'Field DNE';
	}
	if((fld.value == '') || (fld.value == 'Last Name')) {
		fld.style.background = 'Yellow';
		error = "Please fill in "+fldName+".\n";
	}
	else {
		fld.style.background = 'White';
	}
	return error;
}

function trim(s)
{
  return s.replace(/^\s+|\s+$/, '');
}

function validateEmail(fld) {
    var error="";
    var tfld = trim(fld.value);                        // value of field with whitespace trimmed off
    var emailFilter = /^[^@]+@[^@.]+\.[^@]*\w\w$/ ;
    var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/ ;
   
    if (fld.value == "") {
        fld.style.background = 'Yellow';
        error = "You didn't enter an email address.\n";
    } else if (!emailFilter.test(tfld)) {              //test email for illegal characters
        fld.style.background = 'Yellow';
        error = "Please enter a valid email address.\n";
    } else if (fld.value.match(illegalChars)) {
        fld.style.background = 'Yellow';
        error = "The email address contains illegal characters.\n";
    } else {
        fld.style.background = 'White';
    }
    return error;
}
//-->