



<!--start of javascript--

{

        t1on = new Image();        

        t1on.src = "./boimg/su_m4aa.gif";        

        t1off = new Image();        

        t1off.src = "./boimg/su_m4a.gif";

        

        

       

}



function img_act(imgname)

{      

        imgOn = eval(imgname + "off.src");        

        document[imgname].src = imgOn;        

}

function img_inact(imgname)

{        

        imgOff = eval(imgname + "on.src");        

        document[imgname].src = imgOff;        

}

//end of javascript-->