<!--

function getAppVersion() {
 appname= navigator.appName;
 appversion = navigator.appVersion;
 majorver = appversion.substring(0, 1);
 if ( (appname == "Netscape") && ( majorver >= 3 ) ) return 1;
 if ( (appname == "Microsoft Internet Explorer") && (majorver>= 4) ) return 1;
 return 0;
}

function rollovr(num, imgname) {
 if (getAppVersion()) {
  document[imgname].src = img[num].src;
 }
}

imgsrc = new Array();
imgsrc[0] = "http://www.poetryoutloud.org/images/nav_home_on.gif";
imgsrc[1] = "http://www.poetryoutloud.org/images/nav_home_off.gif";
imgsrc[2] = "http://www.poetryoutloud.org/images/nav_poems_on.gif";
imgsrc[3] = "http://www.poetryoutloud.org/images/nav_poems_off.gif";
imgsrc[4] = "http://www.poetryoutloud.org/images/nav_guide_on.gif";
imgsrc[5] = "http://www.poetryoutloud.org/images/nav_guide_off.gif";
imgsrc[6] = "http://www.poetryoutloud.org/images/nav_teachers_on.gif";
imgsrc[7] = "http://www.poetryoutloud.org/images/nav_teachers_off.gif";
imgsrc[8] = "http://www.poetryoutloud.org/images/nav_students_on.gif";
imgsrc[9] = "http://www.poetryoutloud.org/images/nav_students_off.gif";
imgsrc[10] = "http://www.poetryoutloud.org/images/nav_news_on.gif";
imgsrc[11] = "http://www.poetryoutloud.org/images/nav_news_off.gif";
imgsrc[12] = "http://www.poetryoutloud.org/images/nav_poems_browsepoems_on.gif";
imgsrc[13] = "http://www.poetryoutloud.org/images/nav_poems_browsepoems_off.gif";
imgsrc[14] = "http://www.poetryoutloud.org/images/nav_poems_search_on.gif";
imgsrc[15] = "http://www.poetryoutloud.org/images/nav_poems_search_off.gif";
imgsrc[16] = "http://www.poetryoutloud.org/images/nav_poems_poet_on.gif";
imgsrc[17] = "http://www.poetryoutloud.org/images/nav_poems_poet_off.gif";
imgsrc[18] = "http://www.poetryoutloud.org/images/nav_poems_browsepoets_on.gif";
imgsrc[19] = "http://www.poetryoutloud.org/images/nav_poems_browsepoets_off.gif";


if (getAppVersion()){
 img = new Array();
 for (i = 0; i < imgsrc.length; i++){
  img[i] = new Image();
  img[i].src = imgsrc[i];
 }
}

//-->