function pf_link(href, text)
{
    var pf_path = "portfolio";

    // Note: Class 'pf-link' used only for IE
    document.write(
        "<span class='pf-link' " +
        "onclick='document.getElementById(\"showcase\").src=\"" + 
        pf_path + "/" + href + "\"'>" + text + "</span>\n");
}