// JavaScript Document
	function loadCourse(id,listitem)
	{
		//// Generate a random id so Ajax doesn't load from cache	
		var key = Math.random();
		/// Setup url
		var url = '/courses.php';
		/// Now define parameters to url 
		var pars = 'course='+id+'&rand='+key+'';
		/// Ajax load content
		var myAjax = new Ajax.Updater(
			'courses_content', 
			url, 
			{
				method: 'get', 
				parameters: pars ,
				onSuccess: function(){ 
					new Effect.ScrollTo("container");
					if(document.getElementById('selected_sub_nav_item')){
						document.getElementById('selected_sub_nav_item').id='';
					}
					listitem.id='selected_sub_nav_item';					
				}			
			});
	}