<?php $count = 2; ?>

<p>Download's remaining: <span class="count"><?php echo $count; ?></span></p>
<input type="submit" value="DL!" class="submit" />
<br />
IFRAME IS BELOW:<br />

<iframe id="dl"></iframe>

<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.0/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
	$('.submit').click(function(){
		$.ajax({
			type: 'POST',
			url: 'processdl.php',
			data: 'dl=true',
			success: function(response) {
				console.log(response);
				// $("#dl").attr("src","processdl.php?dl=true");
			}
		});

	});
});
</script>