function switchTagsDisplay()
{
	var tags = document.getElementById( 'tags_list' );
	var explanation = document.getElementById( 'tags_explanation' );
	var link = document.getElementById( 'switchTagsDisplayLink' );
	
	if( explanation.style.display == 'none' )
	{
		tags.style.display = 'none';
		explanation.style.display = 'block';
		createCookie( 'tagsbox', 'closed', 30 );
		link.innerHTML = 'pokaż';
	} else {
		tags.style.display = 'block';
		explanation.style.display = 'none';
		eraseCookie( 'tagsbox' );
		link.innerHTML = 'ukryj';
	}
}

function prepareTagsBox()
{
	var tags = document.getElementById( 'tags_list' );
	var explanation = document.getElementById( 'tags_explanation' );
	var link = document.getElementById( 'switchTagsDisplayLink' );
	
	var tagsBoxSetting = readCookie( 'tagsbox' );
	
	if( (tags) && (tagsBoxSetting == 'closed') )
	{
		tags.style.display = 'none';
		explanation.style.display = 'block';
		link.innerHTML = 'pokaż';
	}
}

window.onload = prepareTagsBox;