Source of percent_test.php

<?
    require("Sajax_json.php");
    session_start();
    session_register("seed");
    
    function refresh($value="0") {
        
        srand($_SESSION["seed"]);
        $_SESSION["seed"] = rand();
        
        $v = sprintf("%0.01f",(($value + ($_SESSION["seed"]/getrandmax()*10))));
        if ( $v < 100 ) {
            $ret = "getElem('Layer4').style.width='{$v}px';";
            $ret .= "getElem('Value4').innerHTML='{$v}';";
        } else {
            $ret = "getElem('Layer4').style.width='100px';";
            $ret .= "getElem('Value4').innerHTML='Done!';";
        }
        return $ret;
    }

    sajax_init();
    sajax_export("refresh");
    sajax_handle_client_request();
    
    function make_seed() {
        list($usec,$sec) = explode(' ',microtime());
        return (float)$sec + ((float) $usec * 100000);
    }
    
    $_SESSION["seed"] = make_seed();
    srand($_SESSION["seed"]);
    
?>
<html>
<head>
    <title>Percent Test</title>
    <script>
    <? sajax_show_javascript() ?>
    function getElem(id) {
        return document.getElementById(id);
    }
    function refresh_cb(result) {
        
        eval(result);
        if (getElem('Layer4').innerHTML!="Done!") {
            setTimeout("x_refresh(getElem('Value4').innerHTML,refresh_cb)",2500);
        } else {
            alert("Done!");
        }
    }
    </script>
</head>

<body onLoad="x_refresh(0,refresh_cb);">
<div id="Layer4" style="position:absolute; left: 15px; top: 293px; width: 0px; height: 24px; z-index: 4; background-color:#000000; layer-background-color: #000000; border: 1px none #000000"></div>
<div id="Value4" style="position:absolute; left: 120px; top: 293px;">0</div>
</body>
</html>