var newX = 0; 
 
var speed = 18;

przesun = 0;

var currNode = 1; 

opened = false;

_scr = 980;	

noMove = false;

currN = 0;

openNextCarPromo = 1;
 
suma = 36; 
 
function tick() {

	_x = document.getElementById('cars').style.marginLeft;
	_x = parseInt(_x.replace("px", ""));
	
	_wdt = document.getElementById('cars').style.width;
	_wdt = parseInt(_wdt.replace("px", ""));
	

	if (newX > 0) newX = 0;
	
	if (newX < -_wdt + _scr ) newX = -_wdt + _scr;	

	if (!_x) _x = 0;		
	
	if (newX < _x) {
		
		factor = _x - newX;
		
		if (factor < 1) przesun = newX; else
		
		przesun = _x - factor / speed;
		
	}
	
	if (newX > _x) {
				
		factor = newX - _x;
		
		if (factor < 1) przesun = newX; else
		
		przesun = _x + factor / speed;
		
	}


	if (newX < _x)
	myMove = Math.floor(przesun) +'px';
	
	if (newX > _x)
	myMove = Math.ceil(przesun) +'px';
	
	if (newX == _x) {
	myMove = _x +'px';	
			
	}	
		
	document.getElementById('cars').style.marginLeft = myMove;
	
	setTimeout("tick()", 10);
 
}

function switchCarPromo(myNode, human) {


	if (human == true) unTickCarPromos();
		

	if (myNode == 'p' || myNode == 'l') {
	
	if (myNode == 'p')
	currNode = Math.abs(newX / _scr) + 2;
	
	if (myNode == 'l')
	currNode = Math.abs(newX / _scr);		
			
					
	if (!isInteger(currNode)) {	
	
	currNode = Math.round(currNode) + 1;
	
	}
					
	switchCarPromo(currNode);		
	
	lastNode = currNode;
		
	}
	
	if (myNode == parseInt(myNode)) {
	
	if (human != true || myNode != lastNode) {
	
	lastNode = myNode;
	
	}
	
	newX = - ( (myNode - 1) * _scr);	
	
	
	}
	

}

function nextCarPromo(n) {

	switchCarPromo(n, false);
		
	n++;
		
	currN= n;	
		
	if ((n * 4) > suma) n = 1;

 	openNextCarPromo = setTimeout("nextCarPromo("+n+")", 5000);
	
}

function unTickCarPromos() {
	clearTimeout(openNextCarPromo); 	
}

function moveFlow(flag, n) {
	if (flag == false) unTickCarPromos()
	else openNextCarPromo = setTimeout("nextCarPromo("+n+")", 5000);
}