PHP date help

[kaos]

Ok so i have the recentdate from the database now i want to basically i want to echo

 

1 hour ago if the post was between 1 and 2 hours if it was before an hour put xxminuites ago and if on a different day put xxday's ago instead of 28-06-2010 12:34 PM By itzwebmaster

 

 

Demo legacy-studios.co.uk <-- this might help by what i mean

 

THanks in advance

[kaos]

the thing thats prints the date is currently

$id=$_GET['id'];
$sql="SELECT * FROM forum_question WHERE id='$id'";
$result=mysql_query($sql);
$rows=mysql_fetch_array($result);

(<? echo $rows['datetime']; ?>)