function insertCart(item_code){
//	window.alert(item_code);

	document.item_form.action.value = "insertitem";
	document.item_form.itemcode.value = item_code;
	document.item_form.submit();
}

	function deleteCart(item_code){

	document.item_form.action.value = "deleteitem";
	document.item_form.itemcode.value = item_code;
	document.item_form.submit();
}

	function payment(){
	document.item_form.action.value = "payment";
	document.item_form.submit();
}

	function showcart(){
	document.payment_form.action.value = "showcart";
	document.payment_form.submit();
}

	function checkpayment(){

//  mail_address = document..payment_form.mail_address.value;
// 	data = mail_address.match("^[0-9A-Za-z._]+@[0-9A-Za-z.].[0-9A-Za-z.]+$"); if (!data) alert("メールアドレスが正しくありません");
	document.payment_form.action.value = "checkpayment";
	document.payment_form.submit();
}

	function gopayment(){
	document.payment_form.action.value = "gopayment";
	document.payment_form.submit();
}

	function editpayment(){
	document.payment_form.action.value = "editpayment";
	document.payment_form.submit();
}