function cropImage($nw, $nh, $source, $dest) {
$size = getimagesize($source);
$w = $size[0];
$h = $size[1];
$stypeArr = explode( '.', $source );
$stype = strtolower( end($stypeArr) );
switch($stype)
{case 'gif':$simg = imagecreatefromgif($source);break;
case 'jpeg':$simg = imagecreatefromjpeg($source);break;
case 'jpg':$simg = imagecreatefromjpeg($source);break;
case 'png':$simg = imagecreatefrompng($source);break;
}
$dimg = imagecreatetruecolor($nw, $nh);
$wm = $w/$nw;
$hm = $h/$nh;
$h_height = $nh/2;
$w_height = $nw/2;
if($w> $h)
{$adjusted_width = $w / $hm;
$half_width = $adjusted_width / 2;
$int_width = $half_width - $w_height;
imagecopyresampled($dimg,$simg,-$int_width,0,0,0,$adjusted_width,$nh,$w,$h);}
elseif( ($w <$h) || ($w == $h) ){
$adjusted_height = $h / $wm;
$half_height = $adjusted_height / 2;
$int_height = $half_height - $h_height;
imagecopyresampled($dimg,$simg,0,-$int_height,0,0,$nw,$adjusted_height,$w,$h);}
else{imagecopyresampled($dimg,$simg,0,0,0,0,$nw,$nh,$w,$h);}
imagejpeg($dimg,$dest,85);
	}

$thumb = create_img_gd($file, $tfile, $con[6]);

$thumb = cropImage($con[6],$con[6],$file, $tfile);