function displayDetail ( imgElementID, imgURL, imgAlt )
	{
		if ( ! ( imgElement = document.getElementById ( imgElementID ) ) )
			return false;

		imgElement.src		= imgURL;
		imgElement.alt		= imgAlt;
		imgElement.title	= imgAlt;
		
		return true;
	}
	
	function displayPrevious ( imgElementID )
	{
		if ( ! ( imgElement = document.getElementById ( imgElementID ) ) )
			return false;
		
		for ( i = 0; i < hotelPictures.length; i++ )
			if ( hotelPictures[i] == imgElement.getAttribute ( 'src' ) )
			{
				if ( i == 0 )
					return displayByKey ( imgElementID, hotelPictures.length - 1 );
				
				return displayByKey ( imgElementID, i - 1 );
			}
			
		return false;
	}
	
	function displayNext ( imgElementID )
	{
		if ( ! ( imgElement = document.getElementById ( imgElementID ) ) )
			return false;
		
		for ( i = 0; i < hotelPictures.length; i++ )
			if ( hotelPictures[i] == imgElement.getAttribute ( 'src' ) )
			{
				if ( i == hotelPictures.length - 1 )
					return displayByKey ( imgElementID, 0 );
				
				return displayByKey ( imgElementID, i + 1 );
			}
		
		return false;
	}
	
	function displayByKey ( imgElementID, key )
	{
		return displayDetail ( imgElementID, hotelPictures [ key ], hotelLabels [ key ] );
	}