function replace(string,text,by) {
// Replaces text with by in string
    var strLength = string.length, txtLength = text.length;
    if ((strLength == 0) || (txtLength == 0)) return string;

    var i = string.indexOf(text);
    if ((!i) && (text != string.substring(0,txtLength))) return string;
    if (i == -1) return string;

    var newstr = string.substring(0,i) + by;

    if (i+txtLength < strLength)
        newstr += replace(string.substring(i+txtLength,strLength),text,by);

    return newstr;
}

function validateLogin() {
	if (isWhitespace (document.LoginForm.memberID.value)) {
		alert("Please enter your Member ID.");
		document.LoginForm.memberID.focus();
		document.LoginForm.memberID.select();
	}
	else

	document.LoginForm.memberID.value=replace(document.LoginForm.memberID.value,' ','');
	if (!isaNum(document.LoginForm.memberID.value)) {
		alert("MemberID must be numeric.")
		document.LoginForm.memberID.focus();
		document.LoginForm.memberID.select();
	}
	else

	if (isWhitespace (document.LoginForm.pw.value)) {
		alert("Please enter your Password.");
		document.LoginForm.pw.focus();
		document.LoginForm.pw.select();
	}
	else

	document.LoginForm.submit()
}

function validateEmailPwd() {
	if (isWhitespace (document.EmailPwdForm.email.value) && isWhitespace(document.EmailPwdForm.emailmemberID.value)) {
		alert("Please enter Email Address or MemberID.");
		document.EmailPwdForm.email.focus();
		document.EmailPwdForm.email.select();

	}
	else
	
	document.EmailPwdForm.submit();	
}