// JavaScript Document
var current_news = 0;
var controller_news = "stop";
var init_timing = 1500;
var news_timing = 10000;

function init_play(count)
	{
	if(controller_news != "play")
		{
		controller_news == "play";
		//alert(controller_news);
		setTimeout('show_news(' + count + ')',init_timing); 
		timerID=setInterval('show_news(' + count + ')', news_timing);
		}
	}

function play(count)
	{
		controller_news == "play";
		//alert(controller_news);		
		show_news(count); 
		timerID=setInterval('show_news(' + count + ')', news_timing);
			document.getElementById('pausa').style.display = 'block';
			document.getElementById('play').style.display = 'none';
	}


function pausa()
	{
		controller_news == "stop";
		//alert(controller_news);
		clearInterval(timerID);
			document.getElementById('pausa').style.display = 'none';
			document.getElementById('play').style.display = 'block';
	}

function prev(count)
	{
	pause();
	if(parseInt(current_news) == 1)
		current_news = parseInt(count) - 1;
	play(count);
	}

function next(count)
	{
	pause();
	play(count);
	}

function show_news(count)
	{
	var news = document.getElementById('news');	
	var news_id = document.getElementById('news_id');
	current_news = parseInt(current_news) + 1;		
	//alert(current_news);
	//alert(text_news[current_news]);
	if(text_news[current_news])
		{
		if (news.innerHTML) //per ie
			{
			news.innerHTML = text_news[current_news];
			news_id.innerHTML = "News " + current_news + " di " + count;
			}
		else				//per firefox
			{
			news.textContent = text_news[current_news];
			news_id.textContent = "News " + current_news + " di " + count;		
			}
		}
	else
		{
		//torna alla prima news
		current_news = 1;		
		if(text_news[current_news])
			{			
			if (news.innerHTML) //per ie
				{
				news.innerHTML = text_news[current_news];
				news_id.innerHTML = "News " + current_news + " di " + count;
				}
			else				//per firefox
				{
				news.textContent = text_news[current_news];
				news_id.textContent = "News " + current_news + " di " + count;	
				}
			}
		else
			{
			//nessuna news
			if (news.innerHTML) //per ie
				news.innerHTML = "Nessuna news disponibile";
			else				//per firefox
				news.textContent = "Nessuna news disponibile";	
			//alert(text_news[1]);
			//alert("current_news: " + current_news);
			//alert(text_news[current_news]);				
			}
		}
	}
	
//dato l'id del div e il testo, questo viene sostituito all'interno <-- compatibile html
function change_text(id,testo)
	{
	var div = document.getElementById(id);	
	//alert(id);
	//alert(testo);
	if (div.innerHTML) //per ie
		div.innerHTML = text[testo];
	else				//per firefox
		div.textContent = text[testo];
	}	
	
function divScroll_down(id) {
	var div = document.getElementById(id);	
	//alert(div.scrollTop);
	div.scrollTop=div.scrollTop+10; // horizontal and vertical scroll increments
	//scrolldelay = setTimeout('divScroll('+ id +')',1000); // scrolls every 100 milliseconds
	}

function divScroll_up(id) {
	var div = document.getElementById(id);	
	//alert(div.scrollTop);
	div.scrollTop=div.scrollTop+10; // horizontal and vertical scroll increments
	//scrolldelay = setTimeout('divScroll('+ id +')',1000); // scrolls every 100 milliseconds
	}