var sv4paused = 0;
var vs4speed = 2;
var vs4Timer = null;
var vs4scroll1 = null;
var vs4scroll2 = null;

function initVS4(id1, id2, width, height) {
	vs4scroll1 = document.getElementById(id1);
	vs4scroll2 = document.getElementById(id2);
	for(var j=0; j<vs4Arr.length; j++){
		vs4scroll1.innerHTML += '<img id="pic'+j+'" src="'+preload[j].src+'" onclick="sv4link('+j+')" width="'+width+'" height="'+height+'"><br>';
	}
	vs4scroll2.innerHTML = vs4scroll1.innerHTML;
	vs4scroll2.style.top = vs4scroll1.offsetHeight+"px";
	scrollVS4();
}

function scrollVS4(speed){
	if (sv4paused == 1) return;
	clearTimeout(vs4Timer);
	var scroll1Pos = parseInt(vs4scroll1.style.top);
	var scroll2Pos = parseInt(vs4scroll2.style.top);
	if (!speed) {
		speed = vs4speed;
		timeout = 60;
	} else {
		timeout = 500;
	}
	scroll1Pos += -speed;
	scroll2Pos += -speed;
	
	vs4scroll1.style.top = scroll1Pos+"px";
	vs4scroll2.style.top = scroll2Pos+"px";
	vs4Timer = setTimeout("scrollVS4()", timeout);
	if(scroll1Pos < -vs4scroll1.offsetHeight) {
		vs4scroll1.style.top = vs4scroll1.offsetHeight+"px";
	}
	if(scroll2Pos < -vs4scroll1.offsetHeight) {
		vs4scroll2.style.top = vs4scroll2.offsetHeight+"px";
	}
}

function sv4link(p) {
	if (vs4Arr[p][1] != "") {
		sv4paused = 1;
		location.href = vs4Arr[p][1];
	}
}