echo "<font color='blue'>".$post['Name']."</font>";
	 echo "<br />";
	 echo $post['Post'];
	 echo "<br />";
	 echo "<font color='red'>".date("D M Y @ h:i:s", $post['Timestamp']);
	 echo "</font><br>";
	 $postid = $post['id'];
     $likequery = mysql_query("SELECT * FROM likes WHERE entryid='$postid'");
     $likerows = mysql_num_rows($likequery);
	 echo "likes: ", $likerows, " <a href='like.php?like=$postid'> <b>Like!</b> </a>";
	 echo "<hr>";
	 
code for like.php:

<?php

include("variables.php");

$like = $_GET['like'];

$query = mysql_query("INSERT INTO likes VALUES('', '$like', '$username')") or die(mysql_error());

?>