function new_width(width) {
	return (width > screen.availWidth) ? screen.availWidth : width;
}

function new_height(height) {
	return (height > screen.availHeight) ? screen.availHeight : height;
}

function komentarz(id) {
	var width = new_width(520);
	var height = new_height(350);
	window.open('/x/komup?id='+id,'komentarz','width='+width+',height='+height+',left='+(screen.availWidth/2-width/2)+',top='+(screen.availHeight/2-height/2)+',scrollbars,resizable',true);
	return false;
}

function zdjecie(id, width, height) {
	width = new_width(width);
	height = new_height(height);
	window.open('/x/zdjeciep?id='+id,'zdjecie','width='+width+',height='+height+',left='+(screen.availWidth/2-width/2)+',top='+(screen.availHeight/2-height/2)+',scrollbars,resizable',true);
	return false;
}

function dodaj_komentarz(url) {
	window.opener.location.href = '/x/dodaj_komentarz?'+url;
	window.close();
}

function check_comm_form() {
	if (document.form.fr_imie.value=='') {
		alert("Podaj swoje imię");
		return false;
	}

	if (document.form.fr_temat.value=='') {
		alert("Podaj temat komentarza");
		return false;
	}

	if (document.form.fr_tresc.value=='') {
		alert("Podaj treść komentarza");
		return false;
	}

	return true;
}