document.write("<select onchange='gopage(this.value);'>");
document.write("<option value=\"#\">Select Language</option>");
document.write("<option value=\"/\">English</option>");//英文
document.write("<option value=\"/CH/\">中文</option>");//中文
document.write("<option value=\"/ES/\">Español</option>");//西班牙语
document.write("<option value=\"/index2.htm\">Русский</option>");//俄语 
document.write("</select>");

function gopage(value){
    if(value!="#")
        window.location.href=value;
}