window.defaultStatus='dovedné ruce';

function odstraneni_ramecku(prvek) {
	if(prvek.blur)prvek.blur();
}

function zavrit_blok(blok) {
	document.getElementById(blok).style.display = "none";
}

function registrace_uzivatele(cislo) {
	var pocet = 0;
	while (document.getElementById("registrace"+(pocet+1))) {
		pocet++;
	}
	switch (cislo) {
		case "20":
			for (i=1; i<=pocet; i++) {
				document.getElementById("registrace"+i).style.display = "none";
			}
			break;
		case "21":
			for (i=1; i<=pocet; i++) {
				document.getElementById("registrace"+i).style.display = "block";
			}
			break;
	}
}

function osoba_uzivatele(osoba) {
	switch (osoba) {
		case "fyzicka":
			document.getElementById('jmeno').className = "formular-input povinna";
			document.getElementById('prijmeni').className = "formular-input povinna";
			document.getElementById('pravnicka_osoba').style.display = "none";
			document.getElementById('ic').className = "formular-input";
			document.getElementById('dic').className = "formular-input";
			break;
		case "pravnicka":
			document.getElementById('jmeno').className = "formular-input";
			document.getElementById('prijmeni').className = "formular-input";
			document.getElementById('pravnicka_osoba').style.display = "block";
			document.getElementById('firma').className = "formular-input povinna";
			document.getElementById('ic').className = "formular-input povinna";
			document.getElementById('dic').className = "formular-input";
			break;
	}
}

function pravnicka_osoba() {
	var delka = document.getElementById('firma').value.length;
	if (delka>0) {
		document.getElementById('ic').className = "formular-input povinna";
		document.getElementById('dic').className = "formular-input povinna";
	}
	else {
		document.getElementById('ic').className = "formular-input";
		document.getElementById('dic').className = "formular-input";
	}
}

function zakladni_udaje(registrace) {
	switch (registrace) {
		case "21":
				document.getElementById('jmeno').className = "formular-input zamcena";
				document.getElementById('jmeno').disabled = "disabled";
				document.getElementById('prijmeni').className = "formular-input zamcena";
				document.getElementById('prijmeni').disabled = "disabled";
				document.getElementById('firma').className = "formular-input zamcena";
				document.getElementById('firma').disabled = "disabled";
				document.getElementById('ic').className = "formular-input zamcena";
				document.getElementById('ic').disabled = "disabled";
				document.getElementById('dic').className = "formular-input zamcena";
				document.getElementById('dic').disabled = "disabled";
			break;
	}
}

function vypocet_ceny(provize) {
	var cena = parseInt(document.getElementById("cena").value);
	var finalni_cena = 0;
	finalni_cena = Math.round((provize*cena/100)+cena);
	if (isNaN(cena)){
		document.getElementById("finalni_cena").value=0;
	}
	else {
		document.getElementById("finalni_cena").value=finalni_cena;
	}
}

function nahravani_obrazku() {
	document.getElementById("nahravani-obrazku").style.display = "block";
}

function odstranit_obrazek(zbozi,obrazek) {
	akce = confirm("Opravdu chcete trvale odstranit tento obrázek?");
	if (akce) window.open("sprava-obrazku.php?akce=odstranit&zbozi="+zbozi+"&obrazek="+obrazek,"_self");
}

function chybny_obrazek(obrazek,velikost) {
	document.getElementById("obrazek"+obrazek).src="generovani-obrazku.php?soubor=error"+velikost+".jpg&velikost="+velikost;
}

function sprava_encyklopedie(prvek,encyklopedie) {
	var zacatek = prvek.src.lastIndexOf("/")+1;
	var konec = prvek.src.length;
	soubor = prvek.src.substring(zacatek,konec);
	switch (soubor) {
		case "piktogram-plus.gif":
			document.getElementById("encyklopedie"+encyklopedie).style.display = "block";
			prvek.src = "/obrazky/piktogram-minus.gif";
			break;
		case "piktogram-minus.gif":
			document.getElementById("encyklopedie"+encyklopedie).style.display = "none";
			prvek.src = "/obrazky/piktogram-plus.gif";
			break;
	}
}