// add functions to load on window.load
function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    };
  }
}

// used in uni/kurs
function adjust_ratings_for_course(course_id){
  
  new Effect.Fade('rating_list', {
    afterFinish: function(){
      var term_id = $F('term');
      new Ajax.Request('/course/ajax_get_ratings', 
        {
          asynchronous: true, 
          evalScripts: true, 
          parameters: "course_id=" + course_id  + "&term=" + term_id
        }
      );
    }
  });
  
}

function open_amazon_link(url){
	window.open(url, '_blank');
}