function chkChangeEmailFrm() {
	var obj = document.getElementById("frmChangeEmail");
	if ( obj["currentEmail"].value=="Your Email address" || obj["currentEmail"].value.length < 1 || !checkRegExp(obj["currentEmail"].value) ) {
		alert("Current E-mail address is not correct or valid.\r\nPlease check your e-mail address again.");
		obj["currentEmail"].focus();
		return false;
	}
	if ( obj["newEmail"].value=="Your Email address" || obj["newEmail"].value.length < 1 || !checkRegExp(obj["newEmail"].value) ) {
		alert("New E-mail address is not correct or valid.\r\nPlease check your e-mail address again.");
		obj["newEmail"].focus();
		return false;
	}
	obj.action="/service/newsletter_change_proc.asp";
	return true;
}
function chkCurrentEmailEmpty() {
	var obj = document.getElementById("frmChangeEmail");
	if ( obj["currentEmail"].value.length < 1 ) {
		obj["currentEmail"].value = "Your Current Email address"
	}
}

function chkNewEmailEmpty() {
	var obj = document.getElementById("frmChangeEmail");
	if ( obj["newEmail"].value.length < 1 ) {
		obj["newEmail"].value = "Your New Email address"
	}
}

function chkCurrentEmailTxt() {
	var obj = document.getElementById("frmChangeEmail");
	if ( obj["currentEmail"].value.length < 1 || obj["currentEmail"].value == "Your Current Email address") {
		obj["currentEmail"].value=''
	}
}

function chkNewEmailTxt() {
	var obj = document.getElementById("frmChangeEmail");
	if ( obj["newEmail"].value.length < 1 || obj["newEmail"].value == "Your New Email address") {
		obj["newEmail"].value=''
	}
}