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Colored Dot Program
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colorrun0.php       colorrun0.php 
<!DOCTYPE html>
<html>
    <head>
	<meta charset="utf-8">
	<title>Color Dots (Server-Side)</title>
	<link rel="stylesheet" href="../lit/genstyle.css" type="text/css">
	<style>
	 img { border: 0; }
	 .ctr { text-align: center; }
	</style>
    </head>
    <body>
	<h1 class="ctr">Color Division</h1>
	<p class="ctr">Click on a dot to move the color division.</p>
	<div class="ctr" style="white-space: nowrap">
	    <?php
	    $pos = 15;
	    if(isset($_REQUEST['pos'])) $pos = $_REQUEST['pos'];
	    $imgdir = "/~bennet/dots/";
	    $me = $_SERVER["PHP_SELF"];

	    for($i = 0; $i < 30; ++$i) 
	    {
	        if($i < $pos)
		    $color = "blue";
	        else
		    $color = "red";
	        echo "<a href=\"$me?pos=$i\"><img src=\"$imgdir$color.png\"></a>\n";
	    }
	    ?>
	</div>
    </body>
</html>