function launch_report(obj) {
    var location = obj.options[obj.selectedIndex].value;
    if (location) {
    document.location.href = location;
    }
}
function backnumber() {
    document.open();
    document.write("<select name=\"hoge\" class=\"form\" onChange=\"launch_report\(this\)\">");
    document.write("<option value=\"\">\バックナンバー");
    document.write("<option value=\"\">\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-");
    document.write("<option value=\"http://www.super-edition.com/project/avix/information/account/index.html\">2007年度");
		document.write("<option value=\"http://www.super-edition.com/project/avix/information/account/2006/index.html\">2006年度");
    document.write("<option value=\"http://www.super-edition.com/project/avix/information/account/2005/index.html\">2005年度");
    document.write("</select>");
    document.close();
}