function add_item( icd ){
	document.forms["input_form"].elements["itemcd"].value = icd;
	document.forms["input_form"].elements["num"].value = document.forms["input_form"].elements["num" + icd].value;
	document.forms["input_form"].elements["arrival"].value = document.forms["input_form"].elements["arrival" + icd].value;
	if( isNaN( document.forms["input_form"].elements["num"].value ) ){
		alert( "数量には数値を指定してください。" );
		window.location = "shop." + document.forms["input_form"].elements["itemjunle"].value + "." + document.forms["input_form"].elements["itemdiv"].value + ".php";
		return false;
	}
	if( document.forms["input_form"].elements["arrival"].value.charAt( 0 ) == "x" ){
		alert( "ご指定のお届け日の在庫はありません。" );
		window.location = "shop." + document.forms["input_form"].elements["itemjunle"].value + "." + document.forms["input_form"].elements["itemdiv"].value + ".php";
		return false;
	}else{
		document.forms["input_form"].action = "cart_maintenance.php";
		document.forms["input_form"].method = "get";
		document.forms["input_form"].elements["send"].value = document.forms["input_form"].elements["send" + icd].value;
		document.forms["input_form"].elements["mod"].value = "add_item";
		document.forms["input_form"].submit();
	}
}
function upd_item( midx, iidx, lot, cd, num, cart ){
	window.location = "cart_maintenance.php?mod=upd_item&midx=" + midx + "&iidx=" + iidx + "&lot=" + lot + "&itemcd=" + cd + "&num=" + num + "&cart=" + cart;
}
function upd_noshi( midx, iidx, noshi, cart ){
	window.location = "cart_maintenance.php?mod=upd_noshi&midx=" + midx + "&iidx=" + iidx + "&noshi=" + noshi + "&cart=" + cart;
}
function chg_time( midx, aidx, val ){
	xmlhttp = createXMLHttpRequest();
	if( xmlhttp ){
		xmlhttp.onreadystatechange = function(){
			if(xmlhttp.readyState == 4 && xmlhttp.status == 200){
			}
		}
		xmlhttp.open( "post", "cart_time_chg.php?midx=" + midx + "&aidx=" + aidx + "&val=" + val, true );
		xmlhttp.send(null);
	}
}
function arrival_chg( midx, aidx, iidx, icd ){
	window.open( 'arrival_chg.php?midx=' + midx + '&aidx=' + aidx + '&iidx='+ iidx + '&icd=' + icd, '着日変更', 'width=400,height=300,scrollbars=yes' );
}
function cart_del( midx, aidx, cart ){
	if( confirm( "削除してよろしいですか？" ) ){
		location.href = "cart_maintenance.php?mod=del_all&midx=" + midx + "&aidx=" + aidx + "&cart=" + cart;
	}
}