needles_on = new Image(150,50);
needles_on.src="images/needlesOverButton.gif";
needles_off = new Image(150,50);
needles_off.src="images/needlesButton.gif";
  
notes_on = new Image(150,50);
notes_on.src="images/notesOverButton.gif";
notes_off = new Image(150,50);
notes_off.src="images/notesButton.gif";

notions_on = new Image(150,50);
notions_on.src="images/notionsOverButton.gif";
notions_off = new Image(150,50);
notions_off.src="images/notionsButton.gif";
 
news_on = new Image(150,50);
news_on.src="images/newsOverButton.gif";
news_off = new Image(150,50);
news_off.src="images/newsButton.gif"; 

notify_on = new Image(150,50);
notify_on.src="images/notifyOverButton.gif";
notify_off = new Image(150,50);
notify_off.src="images/notifyButton.gif"; 

function over_image(parm_name)
    {
        document[parm_name].src = eval(parm_name + "_on.src");
    }
function off_image(parm_name)
    {
        document[parm_name].src = eval(parm_name + "_off.src");
    }