function addCourseEvents()
{
	$$('input[name="btnAddCourse"]').each
	(
		function(btn)
		{
			btn.observe
			(
				'click',
				function()
				{ 
					btn.blur();
					
					var hfCourseId = btn.up().select('input[name="hfCourseId"]')[0];
					
					if(hfCourseId && hfCourseId.value != "")
					{
						$('hfCourse').value = hfCourseId.value;
						$('frmAddCourse').submit();
					}
				}
			);
		}
	);
}

Event.observe(window, 'load', addCourseEvents);