function navigateToCourse()
{	
	if (document.getElementById("userBarSelector").options[document.getElementById("userBarSelector").selectedIndex].value == -1)
	{
		alert("Please select a course first, and then press GO!");
	}
	else
	{
		window.location = document.getElementById("userBarSelector").options[document.getElementById("userBarSelector").selectedIndex].value;	
	}
}