function youbi(){

	err = 0;

	if ((document.db_search.input_select[0].checked) || (document.db_search.input_select[1].checked) || (document.db_search.input_select[2].checked) || (document.db_search.input_select[3].checked)){
	}else{
		err++;
		alert("「条件指定」にチェックを入れてください。");
	}

	if (document.db_search.input_select[0].checked){
		if ((document.db_search.elements['input_mon'].checked) || (document.db_search.elements['input_tue'].checked) || (document.db_search.elements['input_wed'].checked) || (document.db_search.elements['input_thu'].checked) || (document.db_search.elements['input_fri'].checked) || (document.db_search.elements['input_sat'].checked) || (document.db_search.elements['input_sun'].checked) || (document.db_search.elements['input_oth'].checked)){
		}else{
			err++;
			alert("「曜日」にチェックをしてください。");
		}

		if(((document.db_search.input_time1.value != "") && (document.db_search.input_min1.value != "")) || ((document.db_search.input_time1.value == "") && (document.db_search.input_min1.value == ""))){
		}else{
			err++;
			alert("「時」「分」は両方入力するか両方空白にしてください。");
		}


	}

	if (document.db_search.input_select[2].checked){
		if(((document.db_search.input_time3.value != "") && (document.db_search.input_min3.value != "")) || ((document.db_search.input_time3.value == "") && (document.db_search.input_min3.value == ""))){
		}else{
			err++;
			alert("「時」「分」は両方入力するか両方空白にしてください。");
		}


	}


	if(err < 1){
    	document.db_search.submit();
	}

}


function date_input(val){
	document.db_search.input_select.value = val;
	document.db_search.submit();
}
function date_input1(val){
	document.db_search1.submit();
}
function date_input2(val){
	document.db_search2.submit();
}
function date_input3(val){
	document.db_search3.submit();
}

function time3(w_ymd){
	document.db_search3.input_date3.value = w_ymd;
	date_input3(3);
}

function jusho(){
	alert("区市町村を選択してください。");
	location.href = "search.php?screen_number=1";
}