<?php
// see if there is any image in the posts_nav_link
function findImage() {
	$content = get_the_content();
	$count = substr_count($content, '<img');
	if ($count > 0) return true;
	else return false;
}


// retreives image from the post
function getImage($num) {
	global $more;
	$more = 1;

	$content = get_the_content();
	$count = substr_count($content, '<img');
	$start = 0;	

	for($i=1;$i<=$count;$i++) {
		$imgBeg = strpos($content, '<img', $start);
		$post = substr($content, $imgBeg);
		$imgEnd = strpos($post, '>');
		$postOutput = substr($post, 0, $imgEnd+1);
		$image[$i] = $postOutput;
		$start=$imgEnd+1;  	 
		$cleanF = strpos($image[$num],'src="')+5;
		$cleanB = strpos($image[$num],'"',$cleanF)-$cleanF;
		$imgThumb = substr($image[$num],$cleanF,$cleanB);	 
	}
	
	if(stristr($image[$num],'<img')) { 
	echo $imgThumb; }
	$more = 0;
}
	//retreive image ends
?>