<script type="text/javascript">
var indice = 0, frases = new Array();
frases[0] = "PRUEBA DE SLIDER QUE CAMBIA";
frases[1] = "Cambia mucho...";
frases[2] = "Soy un crack del javascript";
frases[3] = "FUNCIONA OUH YEAH";
indice = Math.random()*(frases.length);
indice = Math.floor(indice);
function rotar(v) {
if (indice >= frases.length ) indice = Math.floor(Math.random()*(frases.length));
document.getElementById(v).innerHTML = frases[indice];
indice++;
setTimeout(function(){console.log(indice); rotar(v);},1000);
}
</script>
<div id="columna1" style="height:60px;margin:0px auto;"></div>
<script type="text/javascript">rotar('columna1');</script>
<div id="columna2" style="height:60px;margin:0px auto;"></div>
<script type="text/javascript">rotar('columna2');</script>
<div id="columna3" style="height:60px;margin:0px auto;"></div>
<script type="text/javascript">rotar('columna3');</script>
<div id="columna4" style="height:60px;margin:0px auto;"></div>
<script type="text/javascript">rotar('columna4');</script>