function select_photo(i)
{
	var f_selected_photos=document.getElementById("inp_selected_photos").value;
	var f_photo=document.getElementById("inp_photo_"+i).value;


	if (f_photo==0)
	{
		document.getElementById("inp_photo_"+i).value=1;
		document.getElementById("div_photo_"+i).style.background="url(images/bg02.png)";
		document.getElementById("bt_plus_"+i).style.display="none";
		document.getElementById("bt_minus_"+i).style.display="";

		f_selected_photos++;
		document.getElementById("inp_selected_photos").value=f_selected_photos;
	}
	else
	{
		document.getElementById("inp_photo_"+i).value=0;
		document.getElementById("div_photo_"+i).style.background="url(images/bg03.png)";
		document.getElementById("bt_plus_"+i).style.display="";
		document.getElementById("bt_minus_"+i).style.display="none";

		f_selected_photos--;
		document.getElementById("inp_selected_photos").value=f_selected_photos;
	}


	if (f_selected_photos>0)
	{
		document.getElementById("bt_zglos1").style.display="";
		document.getElementById("bt_zglos2").style.display="";
	}
	else
	{
		document.getElementById("bt_zglos1").style.display="none";
		document.getElementById("bt_zglos2").style.display="none";
	}
}





function choose_category(nb,op)
{
	var current_choose=document.getElementById("inp_photo_category_"+nb).value;

	document.getElementById("inp_photo_category_"+nb).value=op;
	if (current_choose!=0) document.getElementById("bt_kat0"+current_choose+"_"+nb).src="images/kat0"+current_choose+"a.gif";
	document.getElementById("bt_kat0"+op+"_"+nb).src="images/kat0"+op+"c.gif";
}





function choose_category_edit(op)
{
	var current_choose=document.getElementById("inp_photo_category").value;

	document.getElementById("inp_photo_category").value=op;
	if (current_choose!=0) document.getElementById("bt_kat0"+current_choose).src="images/kat0"+current_choose+"a.gif";
	document.getElementById("bt_kat0"+op).src="images/kat0"+op+"c.gif";
}




function show_register(nb,op)
{
	document.getElementById("div_logowanie").style.display="none";
	document.getElementById("div_rejestracja").style.display="";
}





function hide_register(nb,op)
{
	document.getElementById("div_logowanie").style.display="";
	document.getElementById("div_rejestracja").style.display="none";
	document.getElementById("txt_alert").style.display="none";
}





function focus_input(input_name,message)
{
	document.getElementById(input_name).focus();
	window.scrollBy(0,-50);
	window.alert(message);
}





function send_login_form()
{
	var f_login=document.getElementById('login').value;
	var f_password=document.getElementById('password').value;

	if (f_login=="")
	{
		focus_input("login","Wpisz login");
		return false;
	}

	if (f_password=="")
	{
		focus_input("password","Wpisz hasło");
		return false;
	}

	return true;
}





function send_register_form()
{
	var f_email=document.getElementById('r_email').value;
	var f_login=document.getElementById('r_login').value;
	var f_password=document.getElementById('r_password').value;
	var f_password2=document.getElementById('r_password2').value;

	if (f_login=="")
	{
		focus_input("r_login","Wpisz login");
		return false;
	}

	if (f_password=="")
	{
		focus_input("r_password","Wpisz hasło");
		return false;
	}

	if (f_password2=="")
	{
		focus_input("r_password2","Powtórz hasło");
		return false;
	}

	if (f_password2!=f_password)
	{
		focus_input("r_password2","Źle powtórzyłeś hasło");
		return false;
	}

	if (f_email=="")
	{
		focus_input("r_email","Nie wpisałeś e-maila");
		return false;
	}

	return true;
}





function send_report_form()
{
	var f_inp_all_photos=document.getElementById('inp_all_photos').value;

	for (var i=1; i<=f_inp_all_photos; i++)
	{
		if (document.getElementById('inp_photo_filename_'+i))
		{
			if (document.getElementById('inp_photo_title_'+i).value=="")
			{
				focus_input("inp_photo_title_"+i,"Wpisz tytuł zdjęcia");
				return false;
			}

			if (document.getElementById('inp_photo_description_'+i).value=="")
			{
				focus_input("inp_photo_description_"+i,"Wpisz opis zdjęcia");
				return false;
			}

			if (document.getElementById('inp_photo_keywords_'+i).value=="")
			{
				focus_input("inp_photo_keywords_"+i,"Wpisz słowa kluczowe");
				return false;
			}

			if (document.getElementById('inp_photo_category_'+i).value=="0")
			{
				window.alert("Nie określiłeś kategorii wszystkich zdjęć");
				return false;
			}
		}
	}

	return true;
}





function send_report_form_edit()
{
	if (document.getElementById('inp_photo_title').value=="")
	{
		focus_input("inp_photo_title","Wpisz tytuł zdjęcia");
		return false;
	}

	if (document.getElementById('inp_photo_description').value=="")
	{
		focus_input("inp_photo_description","Wpisz opis zdjęcia");
		return false;
	}

	if (document.getElementById('inp_photo_keywords').value=="")
	{
		focus_input("inp_photo_keywords","Wpisz słowa kluczowe");
		return false;
	}

	if (document.getElementById('inp_photo_category').value=="0")
	{
		window.alert("Nie określiłeś kategorii zdjęcia");
		return false;
	}

	return true;
}





function send_comment()
{
	if (document.getElementById('nick').value=="")
	{
		focus_input("nick","Wpisz swój nick");
		return false;
	}

	if (document.getElementById('content').value=="")
	{
		focus_input("content","Wpisz treść komentarza");
		return false;
	}

	return true;
}