var speed = 8000;
var currslid = 0;
var slidint;

function setfoc(id){
    stopit();
	var focpic = document.getElementById('focpic');
	var foclink = document.getElementById('foclink');
	var picCount = picarry.length;
	focpic.src = picarry[id];
	foclink.href = lnkarry[id];
	focpic.alt = ttlarry[id];
	currslid = id;
	for(i=0;i<picCount;i++){
		document.getElementById('tmb'+i).className = '';
	};
	document.getElementById('tmb'+id).className ='on';
	focpic.style.visibility = 'hidden';
	if(focpic.filters)
	{
	    focpic.filters[0].Apply();
	}
	
	if (focpic.style.visibility == 'visible') {
		focpic.style.visibility = 'hidden';
		if(focpic.filters)
		{
		    focpic.filters.revealTrans.transition=23;
		}
	}
	else {
		focpic.style.visibility = 'visible';
		if(focpic.filters)
		{
		    focpic.filters[0].transition=23;
		}
	}
	if(focpic.filters)
	{
	    focpic.filters[0].Play();
	}
}

function playnext(){
	var count = picarry.length;
	if(currslid==count-1){
		currslid = 0;
	}
	else{
		currslid++;
	};
	setfoc(currslid);
	playit();
}

function playit()
{
	slidint = setTimeout(playnext,speed);
}
function stopit()
{
	clearTimeout(slidint);
}