var str='';
str = str +'<select name="language" class="listmenu" onChange="location.href=this.form.language.options[this.form.language.selectedIndex].value">';
str = str +'<option value="http://www.sofnet-corp.com/en/index.htm">英文</option>';
str = str +'<option selected value="http://www.sofnet-corp.com/tw/index.htm">繁體中文</option>';
str = str +'<option value="http://www.sofnet-corp.com/cn/index.htm">簡體中文</option>';
str = str +'</select>';
document.write (str);