function checkLogin() {
	strUser = document.getElementById("username").value;
	strPass = document.getElementById("password").value;
	
	if ((checkUser(strUser) == true) & (checkPass(strPass) == true)) {
		return true;
	} else {
		return false;
	}
}

function checkUser(strUser) {
	if (!(strUser.match(/\w/))) {
		errorBorder("username");
		return false;
	} else {
		resetBorder("username");
		return true;
	}
}

function checkPass(strPass) {
	if (!(strPass.match(/\w/))) {
		errorBorder("password");
		return false;
	} else {
		resetBorder("password");
		return true;
	}
}

function errorBorder(element) {
	document.getElementById(element).style.borderColor = "red";
	return;
}

function resetBorder(element) {
	document.getElementById(element).style.borderColor = "#999";
	return;
}