function showElement( n )
{
	e = document.getElementById(n);
	if( e )
	{
		e.style.display = 'block';
	}
}

function hideElement( n )
{
	e = document.getElementById(n);
	if( e )
	{
		e.style.display = 'none';
		return true;
	}
	
	return false;
}


function divClose()
{
	count = 0;
	
	while(hideElement('zalozka' + count) || count < 5)
	{
		count++;
	}
}

function divOpen( id )
{
	divClose();
	document.getElementById( id ).style.display = 'block';
}