<?

	header("Content-type: image/png");


	$perc = round($perc);


/*
		perc / x coor
		25 / 160
		50  /  80	
		75 /  0
			
		A	B
		100	1	100 - (100-1)  A - (A-B)
		50	50	50 - (50-50)
		25	75	25 - (25-75)
		1	100	1 - (1-100)
		
		25	
		75
		
		perc range 50 to x range of 160
		160 / 50 = 3.2
		offset is 160
		
*/

if($perc >25 AND $perc <75){

	// shadow disk

	$value = 160;
	for($k=25; $k<=75; $k++){
		$x[$k] = round($value);
		$value = $value - 3;
		if($k <= 50){
			$h[$k] = ($value * 2) - 3;
		} else {
			$h[$k] = $h[$k-1] + 6;
		}
	}
	// .129
	//$im2 = ImageCreateFromPng('/usr/local/www/apache22/data/images/full_moon_160.png');
	
	// qs1633
	$im2 = ImageCreateFromPng('/usr/home/autobv3i/public_ssl/htdocs/mirror_lab/gifs/full_moon_160.png');
	
		//$white2 = ImageColorAllocate ($im2, 255, 255, 255); 
		$white2 = ImageColorAllocate ($im2, 255, 228, 148); 
		$green2 = ImageColorAllocate ($im2, 0, 220, 0);
		$shadow2 = ImageColorAllocateAlpha($im2, 20, 20, 20, 52);
	
	imagefilledellipse ($im2, $x[$perc], 80, 160, $h[$perc], $shadow2);

	// delete shadow corners
	imagefill($im2, 159, 60, $white2);
	imagefill($im2, 159, 100, $white2);
	imagefill($im2, 1, 60, $white2);
	imagefill($im2, 1, 100, $white2);
	
		// get rid of strange shadow remnant
		if($perc > 50 and $perc < 70){
			imagefill($im2, 95, 159, $white2);
		}
	
	ImagePng ($im2); 
	imagedestroy($im2);
	
} else {

	// inverted shadow disk
		
	if($perc > 75){
	
		$value = 1;
		for($k=76; $k<=100; $k++){
			$x[$k] = round($value);
			$value = $value + 3;
		}

		$value = 450;
		for($k=76; $k<=100; $k++){
			$value = $value - 12;
			$h[$k] = $value;
		}
		
	} else {
		$value = 80;
		for($k=0; $k<=24; $k++){
			$x[$k] = round($value);
			$value = $value + 3;
			$h[$k] = $value * 2;
		}
	}

	$x[25] = -80;
	$x[75] = 240;
	$h[25] = 160;
	$h[75] = 160;
	
	$im = ImageCreate (320, $h[$perc]) or die ("Cannot Initialize new GD image stream"); 
	
		//$white = ImageColorAllocateAlpha($im, 255, 255, 255, 127);
		$white = ImageColorAllocateAlpha ($im, 255, 228, 148, 127); 
		$gray = ImageColorAllocate($im, 210, 210, 210);
		$shadow = ImageColorAllocateAlpha($im, 20, 20, 20, 52);

	imagefill($im, 1, 1, $white);

	imageellipse ($im, 160, 80, 160, $h[$perc], $shadow);
	//imagefill($im, 1, 1, $gray);

	imagefill($im, 1, 1, $shadow);
	imagefill($im, 319, 1, $shadow);

	$im2 = ImageCreateFromPng('/usr/home/autobv3i/public_ssl/htdocs/mirror_lab/gifs/full_moon_160.png');
	
		//$white2 = ImageColorAllocate($im2, 255, 255, 255);
		$white2 = ImageColorAllocate ($im2, 255, 228, 148); 

	//imagecopy ( $dst_im  , $src_im  , $dst_x  , $dst_y  , $src_x  , $src_y  , $src_w  , $src_h  )
	imagecopy ($im2, $im, 0, 0, $x[$perc], 0, 320, $h[$perc]);

	// delete shadow corners
	imagefill($im2, 1, 1, $white2);
	imagefill($im2, 159, 1, $white2);
	imagefill($im2, 159, 159, $white2);
	imagefill($im2, 1, 159, $white2);

	ImagePng ($im2); 
	imagedestroy($im2);

}
	
?>