// check sign-in for required fields
function checkSignin() {
	suser = document.getElementById("siuser").value;
	spass = document.getElementById("sipass").value;
 
	if (suser == "") {
		hideSigninErrors();
		document.getElementById("suserError").style.display = "block";
		document.getElementById("siuser").select();
		document.getElementById("siuser").focus();
  		return false;
	} else if (spass == "") {
		hideSigninErrors();
		document.getElementById("spassError").style.display = "block";
		document.getElementById("sipass").select();
		document.getElementById("sipass").focus();
		return false;
	}
	signitin('home');
	return true;
}
 
function hideSigninErrors() {
	document.getElementById("suserError").style.display = "none";
	document.getElementById("spassError").style.display = "none";
}

function signitin(where) {
	document.signmein.submit();
}

function hienter(myfield,e) {
	var keycode;
	if (window.event) keycode = window.event.keyCode;
	else if (e) keycode = e.which;
	else return true;

	if (keycode == 13) {
		checkSignin();
		return false;
	} else {
		return true;
	}
}