county_select=null;Event.observe(window,"load",function(){county_select=new AL_county_select()});AL_county_select=Class.create({initialize:function(){this.init_observer()},init_observer:function(){var a=this;Event.observe($("sp"),"change",function(){a.init_county_select()})},init_county_select:function(){if($("sp").value){$("sco").value=null;this.update_county($("sp").value)}},update_county:function(a){new Ajax.Request("/xml.php",{method:"get",parameters:{m:"county",p:a},onSuccess:function(g){var e=g.responseXML||"no response text";var d=e.getElementsByTagName("county");$("sco").innerHTML=null;var f=document.createElement("option");f.value="";f.label="▼市区郡";f.innerText="▼市区郡";$("sco").appendChild(f);for(var c=0,b=d.length;c<b;c++){var f=document.createElement("option");f.value=d[c].getAttribute("id");f.label=d[c].getAttribute("name");f.innerText=d[c].getAttribute("name");$("sco").appendChild(f)}},onFailure:function(){}})}});