function MM_openBrWindow(theURL,winName,features) {
	newwindow=window.open(theURL,winName,features);
	if (window.focus) {newwindow.focus()}
}

// ********** Form validation scripts **********

function validateEmpty(data,fieldname) {

	// initial variable states
    var blankErr = "";

	// check for a blank entry in the firstname field
	if (data == "") {
	    blankErr = "- " + fieldname + " must not be blank\n";
	}
	return blankErr;

}

function validateEmail(email,fieldname) {

	// initial variable states
    var emailErr = "";

	if (email == "") {
	    emailErr = "- " + fieldname  + " must not be blank\n";
	} else {
		// check for invalid characters in the email address
		var email = email.toLowerCase();
		var validchars = "abcdefghijklmnopqrstuvwxyz0123456789@.-_";  
		for (var i=0; i < email.length; i++) {
			var letter = email.charAt(i);
			if (validchars.indexOf(letter) == -1) { emailErr = "- " + fieldname  + " must be a valid email address\n"; }
		}
		// check to make sure there is an (@) and a following (.)
		if (email.indexOf("@") < 1) { emailErr = "- " + fieldname  + " must be a valid email address\n"; }
		if (email.indexOf(".",(email.indexOf("@")+2)) < 1) { emailErr = "- " + fieldname  + " must be a valid email address\n"; }
	}
	return emailErr;
}

function validateZip(zipcode) {

	// initial variable states
    var zipErr = "";

	if (zipcode == "") {
	    zipErr = "- [Zip Code] must not be blank\n";
	} else if (zipcode.length > 5) {
		zipErr = "- [Zip Code] must be a valid 5-digit number\n";
	} else {
		var validchars = "0123456789";
		for (var i=0; i < zipcode.length; i++) {
			var nmbr = zipcode.charAt(i);
			if (validchars.indexOf(nmbr) == -1) { zipErr = "- [Zip Code] must be a valid 5-digit number\n"; }
		}
	}
	return zipErr;

}

function validatePhone(phonenumber) {

	// initial variable states
    var phoneErr = "";

	if (phonenumber == "") {
	    phoneErr = "- [Phone Number] must not be blank\n";
	} else if (phonenumber.length < 7) {
		phoneErr = "- [Phone Number] must be a valid number\n";
	} else {
		var validchars = "0123456789-";
		for (var i=0; i < phonenumber.length; i++) {
			var nmbr = phonenumber.charAt(i);
			if (validchars.indexOf(nmbr) == -1) { phoneErr = "- [Phone Number] must be a valid number\n"; }
		}
	}
	return phoneErr;

}

function validateMonth(data,type) {

	// initial variable states
    var vErr = "";

	if (data == "") {
	    vErr = "- " + type + " must not be blank\n";
	} else if (data.length < 2) {
		vErr = "- " + type + " must be a valid 2-digit number within 01-12\n";
	} else if (data < 1 || data > 12) {
		vErr = "- " + type + " must be a valid 2-digit number within 01-12\n";
	} else {
		var validchars = "0123456789";
		for (var i=0; i < data.length; i++) {
			var nmbr = data.charAt(i);
			if (validchars.indexOf(nmbr) == -1) { vErr = "- " + type + " must be a valid 2-digit number within 01-12\n"; }
		}
	}
	return vErr;

}

function validateDay(data,type) {

	// initial variable states
    var vErr = "";

	if (data == "") {
	    vErr = "- " + type + " must not be blank\n";
	} else if (data.length < 2) {
		vErr = "- " + type + " must be a valid 2-digit number within 01-31\n";
	} else if (data < 1 || data > 31) {
		vErr = "- " + type + " must be a valid 2-digit number within 01-31\n";
	} else {
		var validchars = "0123456789";
		for (var i=0; i < data.length; i++) {
			var nmbr = data.charAt(i);
			if (validchars.indexOf(nmbr) == -1) { vErr = "- " + type + " must be a valid 2-digit number within 01-31\n"; }
		}
	}
	return vErr;

}

function validateYear(data,type) {

	// initial variable states
    var vErr = "";

	if (data == "") {
	    vErr = "- " + type + " must not be blank\n";
	} else if (data.length < 4) {
		vErr = "- " + type + " must be a valid 4-digit number\n";
	} else {
		var validchars = "0123456789";
		for (var i=0; i < data.length; i++) {
			var nmbr = data.charAt(i);
			if (validchars.indexOf(nmbr) == -1) { vErr = "- " + type + " must be a valid 4-digit number\n"; }
		}
	}
	return vErr;

}

// ******************************************************