//-------BANNERS-----------------------------------
var numImg = 1;
function rotor(idImg,totalImg,rutaImg,extImg) {
    var srcString = rutaImg+numImg+extImg;
    document.getElementById(idImg).src = srcString;
    if(numImg < totalImg)
        numImg++;
    else
        numImg = 1;
}
setInterval("rotor('cabecera',4,'squelettes/imagenes/cabeceras/imagenarriba','.jpg')", 5000);
//-------//BANNERS-----------------------------------