function go(form) {
        var pages=form.to.selectedIndex
        if ( form.to.options[form.to.selectedIndex].value
        != "none" ) {
        location.href=form.to.options[pages].value; }
};

var foundit = 1;
document.write("<table border='0' width='225' cellspacing='0' cellpadding='0'>");
document.write("<tr >");
document.write("<form method='post' action=''>");

document.write("<td align='center' width='225'>");

document.write("<select name='to' size=1 onChange='go(this.form)'>");


if(!(navigator.appName.indexOf("Microsoft") != -1 && navigator.userAgent.indexOf('Mac') != -1))
{
        document.write("<option selected value='none'><font size=-1>----選んで下さい----</font></option>");
        document.write("<option value='mydent/index1.html'>伊万里・有田地区</option>");
        document.write("<option value='mydent/index3.html'>佐賀市</option>");
        document.write("<option value='mydent/index4.html'>三養基・鳥栖地区</option>");
        document.write("<option value='mydent/index5.html'>鹿島・藤津地区</option>");
        document.write("<option value='mydent/index6.html'>多久市小城郡地区</option>");
        document.write("<option value='mydent/index7.html'>神埼郡</option>");
        document.write("<option value='mydent/index8.html'>唐津・東松浦地区</option>");
        document.write("<option value='mydent/index9.html'>武雄・杵島地区</option>");
       
}
else
{
document.write("<option selected value='none'><font size=-1>----選んで下さい----</font></option>");
        document.write("<option value='mydent/index1.html'>伊万里・有田地区</option>");
        document.write("<option value='mydent/index2.html'>佐賀郡</option>");
        document.write("<option value='mydent/index4.html'>三養基・鳥栖地区</option>");
        document.write("<option value='mydent/index5.html'>鹿島・藤津地区</option>");
        document.write("<option value='mydent/index6.html'>多久市小城郡地区</option>");
        document.write("<option value='mydent/index7.html'>神埼郡</option>");
        document.write("<option value='mydent/index8.html'>唐津・東松浦地区</option>");
        document.write("<option value='mydent/index9.html'>武雄・杵島地区</option>");
       }
document.write("</select></td><td width='20'>&nbsp;</td></tr></form></table>");