talkback_btn = new Image();
talkback_btn.src = "images/dugout_ms_talkback.gif";
talkback_btn_hi = new Image();
talkback_btn_hi.src = "images/dugout_ms_talkback_hi.gif";

msnav1 = new Image();
msnav1.src = "images/dugout_ms_sec1.gif";
msnav1_hi = new Image();
msnav1_hi.src = "images/dugout_ms_sec1_hi.gif";

msnav2 = new Image();
msnav2.src = "images/dugout_ms_sec2.gif";
msnav2_hi = new Image();
msnav2_hi.src = "images/dugout_ms_sec2_hi.gif";