SVG - reload page after 3 seconds

<?xml version="1.0" encoding="UTF-8" standalone="no"?>

<svg
    xmlns:dc="http://purl.org/dc/elements/1.1/"
    xmlns:cc="http://creativecommons.org/ns#"
    xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
    xmlns:svg="http://www.w3.org/2000/svg"
    xmlns="http://www.w3.org/2000/svg"
    version="1.0"
    onload="init(evt)"> // <-- start function after load

// http://apike.ca/prog_svg_jsanim.html
// http://www.w3schools.com/jsref/met_loc_reload.asp
// http://stackoverflow.com/questions/5294842/refresh-a-page-using-javascript-or-html

<circle cx="50%" cy="25%" r="40" fill="green"/>

<script type="text/ecmascript"><![CDATA[
function init(evt){
    setTimeout(function(){ // <-- timer start function with delay
        location.href='http://www.onet.pl'; // <-- load new page
        //location.reload(1); // <-- reload current page. `1` means "load from server instead of cache"
    }, 3000); // <-- delay 3000ms = 3s
}
]]></script>

</svg>