function add_epaper(){
		error = "";
				
		if (EpaperForm.email.value == ""){	
			error += "請輸入Email! \n";
		}
		else{
			if(document.EpaperForm.email.value.charAt(0)=="." || 
				document.EpaperForm.email.value.charAt(0)=="@"|| 
				document.EpaperForm.email.value.indexOf('@', 0) == -1 ||
				document.EpaperForm.email.value.indexOf('.', 0) == -1 ||
				document.EpaperForm.email.value.lastIndexOf("@")== document.EpaperForm.email.value.length-1 ||
				document.EpaperForm.email.value.lastIndexOf(".")== document.EpaperForm.email.value.length-1){
				error += "請輸入正確的Email格! \n";
			}	
		}

 		if(error != ""){
			alert(error);
		}
		else{
			EpaperForm.submit();
		}	
}

function mail_success(mail){	
	alert(mail + "，您已成功的訂閱電子報！\n ，本會電子報已積極製作中\n，預計三月發行");
}

function cancel(){	
	alert("你已取消本會電子報！");
}