function OtvorOkno ( url, w, h )
{
	var twidth = w;
	var theight = h;
	
	if(twidth > screen.width - 40) twidth = screen.width - 40;
	if(theight > screen.height - 40) theight = screen.height - 40;
	
	var pos_x = (screen.width - twidth - 10)/2;
	var pos_y = (screen.height - theight - 29)/2;
	
	if(typeof(window2) == "undefined" || window2.closed)
	{
		window2 = window.open(url,'window2','menubar=0,toolbar=0,location=0,scrollbars=0,screenX='+pos_x+',screenY='+pos_y+',left='+pos_x+',top='+pos_y+',width='+twidth+',height='+theight+',resizable=0');
	}else window2.location.href = url;
	
	window2.focus();
}

function UkazKomentar ( o )
{
	var o_parent = o.parentNode;
	var o_komentar = o_parent.nextSibling;

	o_parent.style.display = "none";
	o_komentar.style.display = "inline";
}

function SkryKomentar ( o )
{
	var o_parent = o.parentNode;
	var o_komentar = o_parent.previousSibling;

	o_parent.style.display = "none";
	o_komentar.style.display = "inline";
}

function checkbox ( o )
{
	var i = 0;
	var obj = document.getElementById ( "check" + i );
	
	while ( obj != null )
	{
		obj.checked = o.checked;
		
		i++;
		
		obj = document.getElementById ( "check" + i );
	}
}

function UkazSkryStanice ( s )
{
	var o = document.getElementById ( s );

	if ( o.style.display == "block" ) o.style.display = "none";
	else o.style.display = "block";
}

function Pocitadlo ( o )
{
	var max = 160;
	var zostava = 160;
	var pocitadlo = document.getElementById ( "pocitadlo" );
	var dlzka = o.value.length;

	if ( dlzka > max )
	{
		o.value = o.value.substring ( 0, max );
		zostava = 0;
	}else zostava = max - dlzka;

	pocitadlo.innerHTML = zostava;
}

function PridatFotku ()
{
	var obj = document.getElementById ( "fotky" );
	var tbody = obj.getElementsByTagName ( "tbody" )[0];

	var tr = document.createElement ( "TR" );
	var td = document.createElement ( "TD" );
	td.innerHTML = "Názov:";

	tr.appendChild ( td );

	td = document.createElement ( "TD" );
	td.innerHTML = '<input type="text" name="PhotoName[]" value="" size="30">';

	tr.appendChild ( td );

	tbody.appendChild ( tr );

	tr = document.createElement ( "TR" );
	td = document.createElement ( "TD" );
	td.innerHTML = "Popis:";
	
	tr.appendChild ( td );

	td = document.createElement ( "TD" );
	td.innerHTML = '<textarea name="PhotoDescription[]" rows="3" cols="30" wrap="soft"></textarea>';

	tr.appendChild ( td );

	tbody.appendChild ( tr );

	tr = document.createElement ( "TR" );
	td = document.createElement ( "TD" );
	td.innerHTML = "Fotka:";
	
	tr.appendChild ( td );

	td = document.createElement ( "TD" );
	td.innerHTML = '<input type="file" name="PhotoFile[]" size="30">';

	tr.appendChild ( td );

	tbody.appendChild ( tr );
}

function PridatFotku2 ()
{
	var obj = document.getElementById ( "fotky" );
	var tbody = obj.getElementsByTagName ( "tbody" )[0];

	var tr = document.createElement ( "TR" );
	var td = document.createElement ( "TD" );
	td.innerHTML = "Názov:";
	
	tr.appendChild ( td );

	td = document.createElement ( "TD" );
	td.innerHTML = '<input type="text" name="PhotoName[]" value="" size="30">';
	
	tr.appendChild ( td );

	tbody.appendChild ( tr );

	tr = document.createElement ( "TR" );
	td = document.createElement ( "TD" );
	td.innerHTML = "Linka:";
	
	tr.appendChild ( td );

	td = document.createElement ( "TD" );
	td.innerHTML = '<input type="text" name="PhotoLink[]" value="" size="30">';

	tr.appendChild ( td );

	tbody.appendChild ( tr );
}

function KontrolaNovyFotoalbum ( o )
{
	if ( o.elements['Name'].value.match ( /^\s*$/ ) )
	{
		alert ( 'Nezadali ste názov.' );

		return false;
	}

	return true;
}

function KontrolaNovyFoto ( o )
{
	if ( o.elements['Name'].value.match ( /^\s*$/ ) )
	{
		alert ( 'Nezadali ste názov.' );

		return false;
	}

	if ( o.elements['Link'].value.match ( /^\s*$/ ) )
	{
		alert ( 'Nezadali ste linku na fotoalbum.' );

		return false;
	}
	
	return true;
}

function PridatServer ()
{
	var obj = document.getElementById ( "server" );
	var tbody = obj.getElementsByTagName ( "tbody" )[0];

	var tr = document.createElement ( "TR" );
	var td = document.createElement ( "TD" );
	td.innerHTML = "Názov servera:";
	
	tr.appendChild ( td );

	td = document.createElement ( "TD" );
	td.innerHTML = '<input type="text" name="Name[]" value="" size="50">';
	
	tr.appendChild ( td );

	tbody.appendChild ( tr );

	tr = document.createElement ( "TR" );
	td = document.createElement ( "TD" );
	td.innerHTML = "Linka na server:";
	
	tr.appendChild ( td );

	td = document.createElement ( "TD" );
	td.innerHTML = '<input type="text" name="Link[]" value="" size="50">';

	tr.appendChild ( td );

	tbody.appendChild ( tr );

	tr = document.createElement ( "TR" );
	td = document.createElement ( "TD" );
	td.className = "cista";
	td.innerHTML = "Prezývka:";	
	
	tr.appendChild ( td );

	td = document.createElement ( "TD" );
	td.className = "cista";
	td.innerHTML = '<input type="text" name="Nickname[]" value="" size="50">';

	tr.appendChild ( td );

	tbody.appendChild ( tr );

	tr = document.createElement ( "TR" );
	td = document.createElement ( "TD" );
	td.className = "cista";
	td.colSpan = "2";
	td.style.padding = "0";
	td.innerHTML = '<hr style="margin: 0">';

	tr.appendChild ( td );

	tbody.appendChild ( tr );
}