<FORM>
<input type="button" value="<--2" onClick="window.history.go(-2)"
name="button">
<input type="button" value="Back"
onClick="window.history.go(-1)" name="button">
<input type="button" value="Forward" onClick = "window.history.go(1)"
name="button">
<input type="button" value="2-->" onClick="window.history.go(2)"
name="button">
</FORM>