var cur_id = -1;

function get_cur_id(){
	if(cur_id == -1){
		cur_id = document.getElementById("cur_id").value;
	}	
}

function check_type(id){
        var area = document.getElementById("type_"+id);
        if(area.checked){
          type_arr[id] = 1;
        }
        else{ 
          type_arr[id] = 0;
        }
}

function show_area(id){
	get_cur_id();
	if(id == cur_id)return;
	var area = document.getElementById("area_"+cur_id);
	area.style.display="none";
	area = document.getElementById("area_"+id);
	area.style.display="";
	cur_id = id;
}

function check_submit(){
	get_cur_id();
        var item = document.getElementById("district_zip");
        item.value=document.getElementById("area_"+cur_id).value;
        var type_str = document.getElementById("type");
        var min_ping = parseInt(document.getElementById("min_ping").value);
        var max_ping = parseInt(document.getElementById("max_ping").value); 
        if(max_ping < min_ping){
           var tmp = max_ping
           max_ping = min_ping;
           min_ping = tmp;
        }
        else if(max_ping == min_ping){
          max_ping = min_ping + 20;
        }
        var ping=min_ping+","+max_ping;

        var min_price = parseInt(document.getElementById("min_price").value);
        var max_price = parseInt(document.getElementById("max_price").value); 
        if(min_price >= max_price){
          alert("最高總價必須大於最低總價喔"+max_price+","+min_price);
          return;
        }
        if(type_str!=null){
          var type="";
          for(i=0;i<13;i++){
            if(i!=0)type+=",";
            if(type_arr[i] ==1)type+="1"; 
            else type+="0";
          }
	  document.getElementById("type").value=type;
        }
	var form = document.getElementById("search_form");
	form.submit();
       
      }