function trim(str)
{
	return str.replace(/^\s+|\s+$/g,'');
}

function logincheck()
{
	if (trim(document.getElementById("username").value) == "")
	{
		document.getElementById("loginmsg").innerHTML ="Username is blank";
		document.getElementById("username").value = '';
		document.getElementById("username").focus();
		return false;
	}
	else if (trim(document.getElementById("password").value) == "")
	{
		document.getElementById("loginmsg").innerHTML ="Password is blank";
		document.getElementById("password").value = '';
		document.getElementById("password").focus();
		return false;
	}
	else
	{
		return true;
	}
}