//index.jsp  / info.status.jsp
function CheckEmail(){
	var check=document.receipt;
	
	if(check.chargeCheckEmail.value = ""){
		alert("メールアドレスを入力してください。");
		check.chargeCheckEmail.focus();
		return;
	}
	check.action="/info/status.jsp?chargeCheckEmail="+check.chargeCheckEmail.value;
	check.submit();	
}