function vyroba_to_cart(alert_report, alert_2_report, alert_3_report, alert_4_report, alert_5_report)
{
	// volba provedení
	pt1 = document.getElementById('picture_type1').checked;
	pt2 = document.getElementById('picture_type2').checked;
	pt3 = document.getElementById('picture_type3').checked;
	pt4 = document.getElementById('picture_type4').checked;
	if (!(pt1 || pt2 || pt3 || pt4)) {
		window.alert(alert_report);
		return false;
	}

	// kontrola volby laminace
	var lam_id = document.getElementById('lam_id').value;
	if (!pt4) {
		if (lam_id == '' || lam_id == 0 || lam_id == null) {
			window.alert(alert_3_report);
			return false;
		}
	}

	// kontrola volby rámu
	if (pt1) {
		fr = document.getElementById('frame_id').value;
		if (fr == 0 || fr == '' || fr == null) {
			window.alert(alert_2_report);
			return false;
		}
	}

	if (pt4) {
		mt = document.getElementById('material_id').value;
		if (mt == 0 || mt == '' || mt == null) {
			window.alert(alert_4_report);
			return false;
		}
	}
	
	var itemname = document.getElementById('itemname').value;
	itemname = trim(itemname);
	if (!itemname.length) {
		window.alert(alert_5_report);
		return false;
	}

	var el = document.getElementById('cart');
	el.value = '1';

	document.getElementById('product_form').submit();
	return true;
}