function checkSmallScreen(){
	if (screen.width < 1100) {
		document.getElementById('sitecontainer').style.margin='0px auto';
	}
}

function hideEmail(id,header,footer) {
	var email = header+'@'+footer;
	var url = 'mailto:'+email;
	var obA = document.getElementById(id);
	obA.href = url;
}

function checkOrderForm() {
	var msgstr = 'Не заполнены поля: \n';
	var allok = true;

	if ((document.getElementById('tf_wish').value == '') && (document.getElementById('tf_wish_other').value == '')) {
		msgstr += '- Вас интересует;\n';
		allok = false;
	}
	if (document.getElementById('tf_fio').value == '') {
		msgstr += '- Ваше имя;\n';
		allok = false;
	}
	if ((document.getElementById('tf_phone').value == '') && (document.getElementById('tf_email').value == '')) {
		msgstr += '- Телефон или E-mail; \n';
		allok = false;
	}

	if (!allok) {
		alert(msgstr);
		return false;
	}

	return true;
}

function checkOrderFormEn() {
	var msgstr = 'You need to fill folowing fields: \n';
	var allok = true;

	if ((document.getElementById('tf_wish').value == '') && (document.getElementById('tf_wish_other').value == '')) {
		msgstr += '- You interested in;\n';
		allok = false;
	}
	if (document.getElementById('tf_fio').value == '') {
		msgstr += '- Name;\n';
		allok = false;
	}
	if ((document.getElementById('tf_phone').value == '') && (document.getElementById('tf_email').value == '')) {
		msgstr += '- Phone number or E-mail; \n';
		allok = false;
	}

	if (!allok) {
		alert(msgstr);
		return false;
	}

	return true;
}