function showImage(language_id, gallery_id, image_id){
  newWindow = window.open("images.php?lang=" + language_id + "&g_id=" + gallery_id + "&i_id=" + image_id, "Images",  "SCROLLBARS=YES, RESIZABLE=YES, WIDTH=640, HEIGHT=310");
  newWindow.focus();
}
function nagradna_igra(game_id){
	var wa = window.open ("nagradna_igra_infosek.php?g_id=" + game_id, 'Nagradna', 'width=570,height=680,resizable=1,scrollbars=1');
	if (wa != null && wa.focus) {
		wa.focus ();
	}
}

function calculate_price (lang) {
	var price = "";
	
	
	if (lang == 1) {
		var txt_price = "Informativna cena: ";
		var txt_alert = "<strong>Za 23. November lahko izberete le en dogodek!</strong> <br>(Delavnice ali Predkonferenčni dan)";
		var txt_alert_1 = "<strong>Izbrali ste enega od paketov</strong> zato ne morate dodati še ostalih dogodkov.";
		var txt_ddv = " EUR + DDV"
	} else {
		var txt_price = "Indicative price: ";
		var txt_alert = "<strong> You can select only one event for November 23th!</strong>  <br>(Workshops or Pre-Conference day)";
		var txt_alert_1 = "<strong>You can select only one event</strong>";
		var txt_ddv = " EUR + VAT"
	}
	
	if (document.prijavnica.d_1.checked) {
		price_day_1 = 295;
	} else {
		price_day_1 = 0;
	}
	if (document.prijavnica.d_2.checked) {
		price_day_2 = 295;
	} else {
		price_day_2 = 0;
	}
	if (document.prijavnica.d_0.checked) {
		price_day_0 = 295;
	} else {
		price_day_0 = 0;
	}

	if (document.prijavnica.del.checked) {
		price_del = 297;
	} else {
		price_del = 0;
	}
	if (document.prijavnica.cio.checked) {
		price_cio = 420;
	} else {
		price_cio = 0;
	}
	if (document.prijavnica.vt.checked) {
		price_vt = 227;
	} else {
		price_vt = 0;
	}
	/*
	if (document.prijavnica.paket_1.checked) {
		price_paket_1 = 1260;
	} else {
		price_paket_1 = 0;
	}
	if (document.prijavnica.paket_2.checked) {
		price_paket_2 = 533.5;
	} else {
		price_paket_2 = 0;
	}
	*/
	
	price_hck = 0;
	var day_err = 0;
	var day_err_1 = 0;
	
	price_infosek = 0
	price_delavnice = 0
	
	if (price_day_1 + price_day_2 + price_day_0 == 590) price_infosek = 420;
	if (price_day_1 + price_day_2 + price_day_0 == 885) price_infosek = 630;
	if (price_day_1 + price_day_2 + price_day_0 == 295) price_infosek = 295;
	
	price_delavnice = price_del;
	
	if (price_day_0 == 295 && price_delavnice > 0) {
		day_err = 1;
	}
	
	price = price_infosek + price_delavnice + price_cio  + price_vt;
	
	if (price_cio > 0 && price_day_0 > 0) {
		price = price - price_cio - price_day_0;
		price = price + 630;
	}
	
	var st_dodatne_osebe = 0;
	if (document.prijavnica.elements[20].value != "") st_dodatne_osebe = st_dodatne_osebe + 1;
	if (document.prijavnica.elements[21].value != "") st_dodatne_osebe = st_dodatne_osebe + 1;
	if (document.prijavnica.elements[22].value != "") st_dodatne_osebe = st_dodatne_osebe + 1;
	if (document.prijavnica.elements[23].value != "") st_dodatne_osebe = st_dodatne_osebe + 1;
	if (document.prijavnica.elements[24].value != "") st_dodatne_osebe = st_dodatne_osebe + 1;
	
	if (st_dodatne_osebe > 0) {
		price_dodatne_osebe = price * st_dodatne_osebe * 0.9;
		price = price + price_dodatne_osebe;
	}
	
	// paketi
	/*
	if (price_paket_1 > 0 && price > 0) {
		day_err_1 = 1;
	}
	
	if (price_paket_2 > 0 && price > 0) {
		day_err_1 = 1;
	}
	
	if (price_paket_1 > 0 || price_paket_2 > 0) {
		price = price_paket_1 + price_paket_2;
	}	
	*/
	
	price = price.toFixed(2);
	
	if (day_err == 1) {
		document.getElementById("reg_price").innerHTML = txt_alert;
		document.getElementById("reg_price_1").innerHTML = txt_alert;
	} else if (day_err_1 == 1) {
		document.getElementById("reg_price").innerHTML = txt_alert_1;
		document.getElementById("reg_price_1").innerHTML = txt_alert_1;
	} else {
		document.getElementById("reg_price").innerHTML = txt_price + price + txt_ddv;
		document.getElementById("reg_price_1").innerHTML = txt_price + price + txt_ddv;
	}

}