var act_img = 1;
var img_num = 4;
var timervar;

function start_timer(interval)
{
	timervar = setTimeout("next_img()",5000);
}

function next_img()
{
	if (act_img < img_num)
	{
		act_img++;
	}
	else
	{
		act_img = 1;
	}
		
	set_img(act_img, 1);
	timervar = setTimeout("next_img()",5000);
	return true;
}

function set_img(numberi, resett)
{
	if (resett == undefined)
	{
		clearTimeout(timervar);
		timervar = setTimeout("next_img()",5000);
	}

	var li = document.getElementById("container").getElementsByTagName("li");
	for (var i=0; i<li.length; i++)
	{
		if(navigator.appName == 'Microsoft Internet Explorer')
		{
			li[i].className = '';
		}
		else
		{
			li[i].removeAttribute("class");
		}
	}
	
	if(navigator.appName == 'Microsoft Internet Explorer')
	{
		document.getElementById("imgitem"+numberi).className = "active";
		//document.getElementById("imgiter"+numberi).className = "active";
	}
	else
	{
		document.getElementById("imgitem"+numberi).setAttribute("class","active");
		//document.getElementById("imgiter"+numberi).setAttribute("class","active");
	}
	
	act_img = numberi;
	return false;
}

start_timer();