function selectSkillSubject(obj){var skillsubjectid=$F(obj);showMessages(null,null,"message_container");clearPrefecture();if(skillsubjectid==""){return ;}var token=$("token");var params="skill_subject_id="+skillsubjectid+"&token="+$F(token);var ajax=new Ajax.Request("/search/limitedtrainline/findprefectureforsearch",{method:"post",parameters:params,onComplete:function(req){showPrefecture(obj,req);},onLoading:function(req){progressPrefecture(obj);}});return ;}function clearPrefecture(){var html='<select id="prefecture_id" name="prefecture_id" onchange="selectPrefecture(this);">';html+="</select>";$("prefecture_container").innerHTML=html;return ;}function progressPrefecture(obj){return ;}function showPrefecture(obj,req){eval("var resobj = ("+req.responseText+")");if(resobj.hasOwnProperty("Message")){return ;}var html='<select id="prefecture_id" name="prefecture_id">';for(var i=0;i<resobj.Prefectures.length;i++){html+='<option value="'+resobj.Prefectures[i].PrefectureId+'">'+resobj.Prefectures[i].Prefecture+"</option>";}html+="</select>";$("prefecture_container").innerHTML=html;return ;}