<!-- hide this script from non-javascript-enabled browsers
if (document.images) {
Irrr_02_05 = new Image(174, 55);Irrr_02_05.src = 'http://www.prou.net/courses/coursegifs/rrr/rrrinst.gif';
Irrr_02_05o = new Image(174, 55);Irrr_02_05o.src = 'http://www.prou.net/courses/coursegifs/rrr/rrrinst_in.gif';
Irrr_02_08 = new Image(174, 55);Irrr_02_08.src = 'http://www.prou.net/courses/coursegifs/rrr/rrrindex.gif';
Irrr_02_08o = new Image(174, 55);Irrr_02_08o.src = 'http://www.prou.net/courses/coursegifs/rrr/rrrindex_in.gif';
Irrr_02_11 = new Image(174, 55);Irrr_02_11.src = 'http://www.prou.net/courses/coursegifs/rrr/rrrcont.gif';
Irrr_02_11o = new Image(174, 55);Irrr_02_11o.src = 'http://www.prou.net/courses/coursegifs/rrr/rrrcont_in.gif';
Irrr_02_13 = new Image(174, 55);Irrr_02_13.src = 'http://www.prou.net/courses/coursegifs/rrr/rrrquiz.gif';
Irrr_02_13o = new Image(174, 55);Irrr_02_13o.src = 'http://www.prou.net/courses/coursegifs/rrr/rrrquiz_in.gif';
}
function di(id,name){
  if (document.images) {document.images[id].src=eval(name+".src"); }
}

// function that displays status bar message

function dm(msgStr) {
  document.returnValue = false;
  if (document.images) { 
     window.status = msgStr;
     document.returnValue = true;
  }
}
var showMsg = navigator.userAgent != "Mozilla/4.0 (compatible; MSIE 4.0; Mac_PowerPC)";
function dmim(msgStr) {
  document.returnValue = false;
  if (showMsg) { 
    window.status = msgStr;
    document.returnValue = true;
  }
}

// stop hiding -->
