function pricefortest () {
	var fio = document.getElementById ('fio');
	var company = document.getElementById ('company');
	var phone = document.getElementById('phone');
	var email = document.getElementById('email');
	var sent = document.getElementById ('sent');
	if (fio && company && phone && email && sent) {
		var phonereg = new RegExp('^((([8]|[\+][7])?[ ]?[\(][0-9]{3,5}[\)])?[ ]?([0-9]{3}[0-9]{2}[0-9]{2}|[0-9]{3}\-[0-9]{2}\-[0-9]{2}|[0-9]{3} [0-9]{2}[0-9]{2}|[0-9]{3} [0-9]{2} [0-9]{2}|[0-9]{3}\-[0-9]{2}[0-9]{2})[,]?([ ]*)?)*$', 'i');
		sent.disabled = !fio.value || fio.value.length < 3 || !company.value || company.value.length < 3 || !email.value || email.value.length < 6;
		if (!sent.disabled) {
			sent.disabled = !phonereg.test(phone.value)
		}
	}
}