function set_splash( new_value ) {

	$( '#highlight_slides .' + document.current_slide ).fadeOut( 'slow' );
	$( '#highlight_slides .' + new_value ).removeClass( 'hide' );
	$( '#highlight_slides .' + new_value ).fadeTo( 'slow' , 1.0 );
	$( '#highlight_slides .' + new_value ).css( 'z-index' , '5' );

	document.current_slide = new_value;

}

function next_splash() {
	set_splash( document.slides[ ( document.slides.indexOf( document.current_slide ) + 1 ) % document.slides.length ] );
	reset_autosplash();
}

function previous_splash() {
	var new_index = document.slides.indexOf( document.current_slide ) - 1;
	if( new_index == -1 ) {
		new_index = document.slides.length - 1;
	}
	set_splash( document.slides[ new_index ] );
	reset_autosplash();
}

function reset_autosplash() {
	if( document.autosplash ) {
		clearInterval( document.autosplash );
	}
	document.autosplash = setInterval( 'next_splash()' , 6000 );
}

function filter_stylebooks( category_key_to_display ) {

	if( category_key_to_display ) {
		$( '.stylebook_rows li' ).hide();	
		$( '.stylebook_rows li[category_key=' + category_key_to_display + ']' ).show();
	}else{
		$( '.stylebook_rows li' ).show();
	}

}

$(document).ready(function() {

	reset_autosplash();

});