<script type="text/vbscript">
fromDate="31-Jan-09 00:00:00"
toDate="31-Jan-10 23:59:00"
document.write(DateDiff("yyyy",fromDate,toDate) & "<br>")
document.write(DateDiff("q",fromDate,toDate) & "<br>")
document.write(DateDiff("m",fromDate,toDate) & "<br>")
document.write(DateDiff("y",fromDate,toDate) & "<br>")
document.write(DateDiff("d",fromDate,toDate) & "<br>")
document.write(DateDiff("w",fromDate,toDate) & "<br>")
document.write(DateDiff("ww",fromDate,toDate) & "<br>")
document.write(DateDiff("h",fromDate,toDate) & "<br>")
document.write(DateDiff("n",fromDate,toDate) & "<br>")
document.write(DateDiff("s",fromDate,toDate) & "<br>")