var imgWidth = 493;
var stageWidth = 185;
var initialPosX = 0;
var currentPosX = 0;
var maxPosX;
var animationSpeed = 20;
var animationStep = 1;
var animationPause = 1000;
var animationTimeout;
var animationObj;

function scrollWebcam() {
	maxPosX = stageWidth - imgWidth; // Negativer Wert
	animationObj = document.getElementById("webcam_animiert");
	animationTimeout = setTimeout("scrollCamLeft()",animationSpeed);
}

function scrollCamLeft() {
	var tempX = parseInt(animationObj.style.left);
	if((tempX - animationStep) >= maxPosX) {
		animationObj.style.left = tempX - animationStep + "px";
		animationTimeout = setTimeout("scrollCamLeft()",animationSpeed);
	} else {
		animationTimeout = setTimeout("scrollCamRight()",animationPause);
	}
}

function scrollCamRight() {
	var tempX = parseInt(animationObj.style.left);
	if((tempX + animationStep) <= 0) {
		animationObj.style.left = tempX + animationStep + "px";
		animationTimeout = setTimeout("scrollCamRight()",animationSpeed);
	} else {
		animationTimeout = setTimeout("scrollCamLeft()",animationPause);
	}
}