var headllineImageArray = new Array();
var headllineUriArray = new Array();

var time;

function AddHeadline( imagePath, headlineUri )
{
	headllineImageArray.push(imagePath);
	headllineUriArray.push(headlineUri);
}


function ShowRandomHeadline()
{
	var randomHeadlinePosition = Math.floor ( Math.random() * headllineImageArray.length );
	ShowHeadline(randomHeadlinePosition,0);
}


function ShowHeadline(headlinePosition,isStop)
{
	document.getElementById('HeadlineImage').style.backgroundImage = "url("+headllineImageArray[headlinePosition]+")";
	if(headllineUriArray[headlinePosition] == 'none')
	{
		document.getElementById('headlineLink').style.display = 'none';
	//	document.getElementById('headlineLink2').style.display = 'none';
	} else {
		document.getElementById('headlineLink').style.display = 'block';
	//	document.getElementById('headlineLink2').style.display = 'block';
		document.getElementById('headlineLink').href = headllineUriArray[headlinePosition];
	//	document.getElementById('headlineLink2').href = headllineUriArray[headlinePosition];
	}

	if (headlinePosition == eval(this.headllineImageArray.length - 1))
	{
		nextHeadlinePosition = 0;
	} else {
		nextHeadlinePosition = eval(headlinePosition + 1);
	}
	
	if (headlinePosition == 0)
	{
		previousHeadlinePosition = eval(this.headllineImageArray.length - 1);
	} else {
		previousHeadlinePosition = eval(headlinePosition - 1);
	}
	var headlinePlaybackButton = document.getElementById('headlinePlaybackButton');
	var headlinePlaybackBlock = document.getElementById('headlinePause');
	if(isStop == 1)
	{
		headlinePlaybackBlock.style.backgroundColor = 'rgb(102,102,102)';
		headlinePlaybackButton.width = '3';
		headlinePlaybackButton.height = '6';
		headlinePlaybackButton.src = '/images/B-play.gif';
		headlinePlaybackButton.alt = 'Возобновить';
		
	} else {
		headlinePlaybackBlock.style.backgroundColor = 'rgb(33,33,33)';
		headlinePlaybackButton.width = '5';
		headlinePlaybackButton.height = '6';
		headlinePlaybackButton.src = '/images/B-pause.gif';
		headlinePlaybackButton.alt = 'Пауза';

		time = setTimeout("ShowHeadline(nextHeadlinePosition,0)",4000);
	}
	
}


function ShowNextHeadline()
{
	clearTimeout(time);
	ShowHeadline(nextHeadlinePosition,1);
}


function ShowPreviousHeadline()
{
	clearTimeout(time);
	ShowHeadline(previousHeadlinePosition,1);
}


function HeadlinePlayback()
{
	var headlinePlaybackButton = document.getElementById('headlinePlaybackButton');
	var headlinePlaybackBlock = document.getElementById('headlinePause');
	if(headlinePlaybackButton.alt == 'Возобновить'){
		ShowHeadline(nextHeadlinePosition,0);
	} else {
		clearTimeout(time);

		headlinePlaybackBlock.style.backgroundColor = 'rgb(102,102,102)';
		headlinePlaybackButton.width = '3';
		headlinePlaybackButton.height = '6';
		headlinePlaybackButton.src = '/images/B-play.gif';
		headlinePlaybackButton.alt = 'Возобновить';
	}
}