var moveDom = {
	incrementMilliseconds: 50,
	incrementPixels: 1,
	movePos: 0,
	moveDir: 1,
	
	moveInt: 0,
	moveIni: 0,
	moveEnd: 0,
	moveObj: 0,
	
	setMove: function (idDom,prop,vIni,vEnd, increment) {
		this.moveObj = document.getElementById(idDom);
		this.movePos = this.moveIni = vIni;
		this.moveEnd = vEnd;
		if (increment) this.incrementPixels = increment;
		this.config();
	},
	
	config: function() {
		this.moveInt = setInterval(setMoveIncrement, this.incrementMilliseconds);
	},
	stopMotion: function() {
		clearInterval(this.moveInt);
	}
}
setMoveIncrement = function () {
	moveDom.movePos += moveDom.incrementPixels * moveDom.moveDir;
	if (moveDom.movePos > moveDom.moveEnd || moveDom.movePos < moveDom.moveIni) {
		//volta
		moveDom.moveDir *= -1;
	} else {
		moveDom.moveObj.style.marginLeft = moveDom.movePos+"px";
		//moveDom.moveObj.innerHTML = moveDom.movePos;
	}
}