var y=0;
var speed = 0;
var loop = true;
function wLewo() {
	loop=true;
	speed=15;
	move();
}
function wPrawo() {
	loop=true;
	speed=-15;
	move();
}
function move() {
	y+=speed;
	el = document.getElementById("plytkiContentBox");
	// --	
	var widthWindow = navigator.appName == "Microsoft Internet Explorer" ? (document.body.offsetWidth)*1 : (window.outerWidth)*1;
	var widthContent = (el.style.width.substring(0,(el.style.width.length-2)))*1;
	// --
	
	if (widthContent > widthWindow) {
		/*
		 * przed dodaniem rozdzielenia na 2 wiersze
			if (y>0) {
			y = 0;
		 */
		if (y>30) {
			y = 30;
			noScroll();
		} else if (y < (widthContent-widthWindow)*(-1)) {
			y = (widthContent-widthWindow)*(-1);
			noScroll();
		}
		// --
		el.style.left=y+"px";		
		// --
		if (loop == true) {
			setTimeout(move, 10);
		}
	}
}
function noScroll() {
	loop = false;
}