// addEvent( window, 'load', initNewsPager() );
var newsindex = 0;
var sizeofnews = 0;

function newsPager( index ) {
	if ( index == 'all' ) {
		for ( i = 0; i < sizeofnews; i++ ) { document.getElementById( 'news' + newsindex ).style.display = 'block'; }
	} else {
		document.getElementById( 'news' + newsindex ).style.display = 'none';
		switch( index ) {
			case 'first': newsindex = 0; break;
			case 'last': newsindex = sizeofnews - 1; break;
			case 'prev': newsindex -= 1; break;
			case 'next': newsindex += 1; break;
			default: newsindex = index;
		}
		if ( newsindex < 0 ) newsindex = sizeofnews - 1;
		if ( newsindex >= sizeofnews ) newsindex = 0;

		var e = getElementsByClass( 'prev_news' ); 
		for ( i = 0; i < e.length; i++ ) { e[i].title = ( newsindex == 0 ) ? tooltip_news_last : tooltip_news_prev } 
		document.getElementById( 'news' + newsindex ).style.display = 'block';

		var e = getElementsByClass( 'next_news' ); 
		for ( i = 0; i < e.length; i++ ) { e[i].title = ( newsindex == sizeofnews - 1 ) ? tooltip_news_first : tooltip_news_next } 
		document.getElementById( 'news' + newsindex ).style.display = 'block';
	}
}

function initNewsPager() {
	if ( sizeofnews > 1 ) document.getElementById( 'news_pager_control' ).style.display = 'block';
	newsindex = sizeofnews - 1;
}