Dan_net,
<!DOCTYPE html>
<html>
<head>
<title>Untitled</title>
<meta charset="utf-8">
<style type="text/css">
.changeColor {fill:none;stroke:#FFFF00;stroke-width:5;stroke-miterlimit:10;}
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<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<script>
$(window).on("load", function() {
var svgobject = document.getElementById("imap");
var colorBg = "red blue green";
var line = svgobject.querySelector(".changeColor");
$.each(colorBg.split(" "), function(indx, bg) {
$("<button>", {text:bg, click:function() {
line.style.stroke = bg;
}}).appendTo("#changeColor");
});
});
</script>
</head>
<body>
<div id="changeColor"></div>
<svg id="imap" version="1.1" xmlns="http://www.w3.org/2000/svg" x="0" y="0" viewBox="0 0 500 500" xml:space="preserve"><metadata><x:xmpmeta xmlns:x="adobe:ns:meta/" x:xmptk="Adobe XMP Core 5.6-c067 79.157747, 2015/03/30-23:40:42 "><rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"><rdf:Description rdf:about=""/></rdf:RDF></x:xmpmeta></metadata>
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