// JavaScript Document
<!--/-->

<!--

<!--
var news = new Array(
[ "Túnel de Goiânia. Inauguração confirmada. " , "noticia001.asp" ] ,
[ "Recorde na Amazônia adiado." , "noticia002.asp" ] ,
[ "Equipe 4-Way tem novo integrante." , "noticia003.asp" ] ,
[]
) ;
//-->






<!--
var ticker_layer = false ;
var step_time = 25 ;
var freeze_time = 2000 ;
var news_index = 0 ;
var title_index = 0 ;
var end_title = "_" ;
var title_max_size = 62 ;
var pause = false ;
var freeze_timeout_id ;
var step_timeout_id ;
var step_char_length = 1 ;

function prepare(){
	var container_size = 475 ;
	for ( var i = 0 ; i < news.length - 1 ; i++ ){
		t = news[i][0] ;
		t = t.replace(/\&quot;/gi,'"');
		t = t.replace(/\&amp;/gi,'&');
		t = t.replace(/\&#039;/gi,'\'');

		var dummy = document.createTextNode( t ) ;
		document.getElementById('dummy').appendChild( dummy ) ;
		var size = document.getElementById('dummy').offsetWidth ;

		while( size > container_size ){
			t = t.substring( 0 , title_max_size ) ;
			t = t.substring( 0 , t.lastIndexOf( ' ' ) ) ;
			t += '...';

			clear_element( 'dummy' ) ;
			var dummy = document.createTextNode( t ) ;
			document.getElementById('dummy').appendChild( dummy ) ;
			size = document.getElementById('dummy').offsetWidth ;
		}
		clear_element( 'dummy' ) ;

		news[i][0] = t ;
	}
}

function clear_element( name ){
	/* esvaziar dummy */
	if ( document.getElementById( name ) ){
		while ( document.getElementById( name ).lastChild != null ){
			child = document.getElementById( name ).lastChild ;
			document.getElementById( name ).removeChild( child ) ;
		}
	}
}

function begin_roll_ticker(){
	prepare() ;
	window.setTimeout( "roll_ticker()" , step_time ) ;
}

function move_next(){
	if ( title_index == 0 ){
		// índice de notícias já está na posição certa, apenas dar play
		freeze_timeout_id = window.setTimeout( "roll_ticker()" , t ) ;
	}
	else{
		title_index = 0 ;
		next_line(0) ;
	}
}

function move_prev(){
	if ( title_index == 0 ){
		// índice de notícias já foi movido; corrigir
		news_index == 0 ? news_index = news.length - 2 : news_index-- ;
		prev_line(0) ;
	}
	else{
		title_index = 0 ;
		prev_line(0) ;
	}
}

function fill_line(){
	step_char_length = news[news_index][0].length - title_index ;
	step_timeout_id = window.setTimeout( "roll_ticker()" , step_time ) ;
}

function t_next( obj ){
	pause = false ;
	freeze_timeout_id = window.clearTimeout( freeze_timeout_id ) ;
	step_timeout_id = window.clearTimeout( step_timeout_id ) ;
	step_timeout_id = window.setTimeout( 'move_next()' , step_time ) ;
}

function t_prev( obj ){
	pause = false ;
	freeze_timeout_id = window.clearTimeout( freeze_timeout_id ) ;
	step_timeout_id = window.clearTimeout( step_timeout_id ) ;
	step_timeout_id = window.setTimeout( 'move_prev()' , step_time ) ;
}

function t_pause( obj ){
	pause = !pause ;
	if ( pause ){
		// limpar timeout se uma notícia já estiver presente
		if ( title_index == 0 && freeze_timeout_id ){
			window.clearTimeout( freeze_timeout_id ) ;
		}
		else{
			window.clearTimeout( step_timeout_id ) ;
			step_timeout_id = window.setTimeout( "fill_line()" , step_time ) ;
		}
	}
	else{
		if ( title_index == 0 ){
			next_line(0) ;
		}
	}
}

function roll_ticker(){
	prepare() ;

	var title ;
	if ( title_index == 0 ){
		while ( document.getElementById('ticker').lastChild != null ){
			child = document.getElementById('ticker').lastChild ;
			document.getElementById('ticker').removeChild( child ) ;
		}
	}

	if ( news_index < news.length + 2 && news[news_index][0].length >= title_index ){
		title = news[ news_index ] ;

		document.getElementById('ticker_anchor').setAttribute( "href" , title[1] ) ;

		if ( news_index == 0 && typeof( ticker_ad ) != "undefined" ){
			document.getElementById('ticker_anchor').setAttribute( "target" , "_blank" ) ;
			document.getElementById('ticker_anchor').style.color = "#000000" ;
		}
		else{
			document.getElementById('ticker_anchor').setAttribute( "target" , "_parent" ) ;
			document.getElementById('ticker_anchor').style.color = "#0087cd" ;
		}

		s_text = title[0].substring( title_index  , title_index + step_char_length ) ;
		title_index += step_char_length ;

		if ( step_char_length > 1 ){
			step_char_length = 1 ;
		}

		if ( document.getElementById('ticker').lastChild != null ){
			if ( document.getElementById('ticker').lastChild.nodeValue == "_" ){
				child = document.getElementById('ticker').lastChild ;
				document.getElementById('ticker').removeChild( child ) ;
			}
		}

		txt = document.createTextNode( s_text ) ;
		document.getElementById('ticker').appendChild( txt ) ;

		if ( title[0].length > title_index ) {
			if ( title_index % 10 != 0 ){
				txt = document.createTextNode( "_" ) ;
				document.getElementById('ticker').appendChild( txt ) ;
			}
		}

		step_timeout_id = window.setTimeout( "roll_ticker()" , step_time ) ;
	}
	else{
		title_index = 0 ;

		if ( !pause ){
			next_line( freeze_time ) ;
		}
	}
}

function next_line( t ){
	news_index >= news.length - 2 ? news_index = 0 : news_index++ ;
	freeze_timeout_id = window.setTimeout( "roll_ticker()" , t ) ;
}

function prev_line( t ){
	news_index == 0 ? news_index = news.length - 2 : news_index-- ;
	freeze_timeout_id = window.setTimeout( "roll_ticker()" , t ) ;
}

//-->

//-->