async function _submit(event, element)
{
	event.preventDefault();

	/* debug */
	console.log(`submitting form:`);
	console.log(element)
	console.log(`destination: ${element.action}`);
	const formdata = new FormData(element);
	console.log(`data:`);
	console.log(formdata);

	try
	{
		await fetch(element.action, {
			method: "POST",
			headers: {
				"Content-Type": "application/x-www-form-urlencoded",
			},
			body: new URLSearchParams(new FormData(element)),
		}).then(async response => {
			console.log(response);
			const ok = response.status == 200;
			const text = await response.text();
			notify(text, ok ? 'ok' : 'error'); /* /static/js/notify.js */
			if (ok)
			{
				if (element.hasAttribute("beep-redirect"))
					window.location.href = element.getAttribute("beep-redirect");
				else if (element.hasAttribute('beep-redirect-js'))
					window.location.href = eval(element.getAttribute("beep-redirect-js"))(
						response,
						text
					);
			}
		});
	}
	catch (error)
	{
		console.error(error.message);
	}
}

const e = document.getElementsByTagName('form');
for (let i = 0 ; i < e.length ; i++)
{
	const element = e.item(i);
	if (element.method == 'post')
	{
		element.onsubmit = event => _submit(event, element);
	}
}