// main.js for homepage

function CheckInput(myform) {
	with(myform) {
		if(CheckLogInForm(myform) == false)
		{
			return;
		}
		else
		{
			submit();
		}
	}
}

function Epaper(myform,myType) {
	with(myform) {
		if(CheckEpaperEmail(myform)==false)
		{
			return false;
		}

		EpaperType.value = myType;
		submit();
	}
}

function CheckLogInForm(myform) {
	with(myform) {
		if(MemAccount.value.length==0)
		{
			alert("請輸入會員帳號！");
			MemAccount.focus();
			return false;
		}

		if(MemPassword.value.length==0)
		{
			alert("請輸入密碼！");
			MemPassword.focus();
			return false;
		}

		return true;
	}
}

function CheckEpaperEmail(myform) {
	with(myform) {

		if(Email.value.length==0)
		{
			alert("請輸入電子郵件信箱！");
			Email.focus();
			return false;
		}
		else
		{
			var err=0;
			if( Email.value.indexOf("@") < 0)
			{
				err = 1;
			}
			else
			{
				var mail_elm = Email.value.split("@");

				//alert(mail_elm[0] + "@" + mail_elm[1]);

				var account=mail_elm[0];
				var server=mail_elm[1];

				if(account.length == 0 || server.length <= 3 || account.indexOf("?")>=0 || server.indexOf(".")<0)
				{
					err = 1;
				}

				server_elm=server.split(".");
				var inx;
				for(inx=0;inx < server_elm.length;inx++)
				{
					if(server_elm[inx].length == 0)
					{
						err=1;
					}
				}
			}

			if(err == 1)
			{
				alert("無效的電子郵件信箱 !!");
				Email.select();
				Email.focus();
				return false;
			}
		}


		return true;
	}
}

// for order

function OrderNow(myform,myID,myType) {
	with(myform) {

		ItemInfo.value=myType+"^"+myID+"^1";

		submit();
	}
}