//文字コードはEUCで保存すること
function move_navi(flg){

	if(flg == 0){
		document.frm.start_y.value = "";
		document.frm.start_m.value = "";
		document.frm.end_y.value = "";
		document.frm.end_m.value = "";
	}else if((flg == 1)){
		document.frm.start_y.value = eval(document.frm.start_y.value) - 1;
		document.frm.end_y.value = eval(document.frm.end_y.value) - 1;
	}else if((flg == 2)){
		document.frm.start_y.value = eval(document.frm.start_y.value) + 1;
		document.frm.end_y.value = eval(document.frm.end_y.value) + 1;
	}

	document.frm.action = "ZIS0400.php";
	document.frm.method="POST";
	document.frm.submit();

}