function checkPassword1() {
	var passWord1 = document.getElementById("password1").value;
	var passWord1 = escape(passWord1);

	if (!isEmpty(passWord1) && isPassword(passWord1)) {
		document.getElementById("password1").className="valid";
		document.getElementById("password1_err").className="no-err";
		document.getElementById("password1_err").value = "";
		password1Valid = true;
	} else {
		document.getElementById("password1").className="invalid";
		document.getElementById("password1_err").className="err";
		document.getElementById("password1_err").value = err_pass;
		password1Valid = false;
	}
}

function checkPassword2() {
	var passWord1 = document.getElementById("password1").value;
	var passWord1 = escape(passWord1);

	var passWord2 = document.getElementById("password2").value;
	var passWord2 = escape(passWord2);

	if (isEmpty(passWord2) || (passWord1 != passWord2)) {
		document.getElementById("password2").className="invalid";
		document.getElementById("password2_err").className="err";
		document.getElementById("password2_err").value = err_pass2;
		password2Valid = false;
	} else {
		document.getElementById("password2").className="valid";
		document.getElementById("password2_err").className="no-err";
		document.getElementById("password2_err").value = "";
		password2Valid = true;
	}
}

function checkPasshint() {
	var passhint = document.getElementById("passhint").value;
//alert ("checkPasshint");
	if (!isEmpty(passhint)) {
		if (!isAlphaNumeric(passhint)) {	// passhint not empty or invalid
			passHintValid = false;
		} else {
			passHintValid = true;			// passhint not empty but valid
		}
	} else {
		passHintValid = true;				// passhint empty
	}

	if (passHintValid) {
// passhint empty or valid
		document.getElementById("passhint").className="valid";
		document.getElementById("passhint_err").className="no-err";
		document.getElementById("passhint_err").value="";
	} else {
// passhint not empty and invalid
		document.getElementById("passhint").className="invalid";
		document.getElementById("passhint_err").className="err";
		document.getElementById("passhint_err").value = hint_err;
	}
	return passHintValid;
}