function focusUsername() {
	d=document.getElementById("usernamefield");
	if (d) {
		d.focus();
	}
}

function checksubmit() {

	u=document.getElementById("usernamefield");
	if (u.value=="") {

		window.alert("Please supply a username");
		u.focus();
		return false;
	}
	p=document.getElementById("passwd");
	if (p.value=="") {
		window.alert("Please supply a password");
		p.focus();
		return false;
	}
	else {
		return true;
	}
}

addOnLoadFunction(focusUsername);