function initImg() {
	numStep = 50;  curStep = 0;      step = 1; 
	numImg = document.getElementById('slogans').getElementsByTagName('li').length-1;
curImg = numImg;
	speed = 15;  pause = 4000;
	redStep = 4.42;
	greenStep = 0.34;
	blueStep = -1.02;
	moveImg()
}

function moveImg(){
	red = 34;
	green = 34;
	blue = 51;                                                     
  document.getElementById('slogans').getElementsByTagName('li')[curImg].style.visibility='hidden';
  curImg += 1;
  if (curImg > numImg) curImg = 0;
	document.getElementById('slogans').getElementsByTagName('li')[curImg].style.visibility='visible';
  moveStep();
}
  
function moveStep(){
	curStep += step;
	red += redStep;
	green += greenStep;
	blue += blueStep;
  document.getElementById('slogans').getElementsByTagName('li')[curImg].style.color="rgb("+parseInt(red)+","+parseInt(green)+","+parseInt(blue)+")";
	if ((curStep == numStep) || (curStep == 0)) {
    step = -step;
		redStep = -redStep;
    greenStep = -greenStep;
		blueStep = -blueStep
		if (curStep == numStep) setTimeout('moveStep()', pause)
		else setTimeout('moveImg()', speed)
  } else setTimeout('moveStep()', speed);
}

initImg();