<script>
for(i=0;i<=<?php echo $c; ?>;i++)
{
x=<?php echo $x?>; y=<?php echo $y?>;
document.write("<div style=\"position:absolute; left:"+x+"px; top:"+y+"px\"><img src='<?php echo $pred; ?>.png' onmouseover='document.getElementById(\"xy\").innerHTML = \"x: \"+x+\"y: \"+y+\"предмет: \"+<?php echo $pred; ?>+ \" \"'><\/div>")
}
</script>
<?php
}
?>
<br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />

<div id='xy'>Тут координаты :)</div>