function function1() {
if (navigator.appName.indexOf("Microsoft") != -1) {
alert("The buffering for this screen is "+screen.bufferDepth);
} else {
alert(" no default for buffering depth");
}
}
function function2() {
screen.bufferDepth = -1;
alert("The buffering depth for this screen has been changed to "+screen.bufferDepth);
}