using System;

using System.Xml;

public class Program

{

    public static void Main()

    {

        var xmldoc = new XmlDocument();

        xmldoc.LoadXml(

@"<?xml version=""1.0"" standalone=""no""?>

<!DOCTYPE svg PUBLIC ""-//W3C//DTD SVG 1.1//EN"" ""http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"">

<svg version=""1.1"" baseProfile=""full"" xmlns=""http://www.w3.org/2000/svg"">

   <polygon id=""triangle"" points=""0,0 0,50 50,0"" fill=""#009900"" stroke=""#004400""/>

   <a href=""javascript:alert('JavaScript')""><text x=""200"" y=""60"">JavaScript</text></a>

<a href=""JavaScript:alert('JavaScript')""><text x=""200"" y=""60"">JavaScript</text></a>

<a href=""JAVAScript:alert('JAVAScript')""><text x=""200"" y=""80"">JAVAScript</text></a>

</svg>");

        var nsmgr = new XmlNamespaceManager(xmldoc.NameTable);

        nsmgr.AddNamespace("x", "http://www.w3.org/2000/svg");

        var nodes = xmldoc.SelectNodes(@"//x:a[starts-with(translate(@href, ""JAVASCRIPT"", ""javascript""), ""javascript"")]", nsmgr);  // /@href

        Console.WriteLine("num nodes: " + nodes.Count);

    }

}