var MSIE=navigator.userAgent.indexOf("MSIE");
var NETS=navigator.userAgent.indexOf("Netscape");
var OPER=navigator.userAgent.indexOf("Opera");
if((MSIE>-1) || (OPER>-1)) {
document.write("<BGSOUND SRC=sound/crickets.wav LOOP=100 ");
document.write("VOLUME=50%> ");
} else {
document.write("<EMBED SRC=sound/crickets.wav AUTOSTART=TRUE ");
document.write("LOOP=TRUE HIDDEN=true VOLUME=50%> ");
}