function showHide( id ) {
	var object = document.getElementById( id );

	if( object.style.display == 'block' || object.style.display == '' ) {
		object.style.display = 'none';
		if( id == 'comments' ) {
			document.getElementById('commentsHeader').innerHTML = document.getElementById('commentsHeader').innerHTML.replace( /Ukryj/, "Pokarz" );
		}
	} else {
		object.style.display = 'block'
		if( id == 'comments' ) {
			document.getElementById('commentsHeader').innerHTML = document.getElementById('commentsHeader').innerHTML.replace( /Pokarz/, "Ukryj" );
		}
	}

	var objectH4 = 	document.getElementById( id + 'HeaderH4' );
	if( objectH4.className.indexOf('down') >-1 ) {
		objectH4.className = 'up';
	} else {
		objectH4.className = 'down';
	}
}