var arImages = new Array();
            arImages[0] = {url:   "http://www.godspell.org.ar/upload/images/mainImage_44.jpg",
                                   title: "Godspell 2010",
                                   lead:  "\"Educación para la Comprensión\""};
            arImages[1] = {url:   "http://www.godspell.org.ar/upload/images/mainImage_48.jpg",
                                   title: "Godspell 2010",
                                   lead:  "Football"};
            arImages[2] = {url:   "http://www.godspell.org.ar/upload/images/mainImage_42.jpg",
                                   title: "Godspell Supravalor 2010",
                                   lead:  "\"Joy\""};
            arImages[3] = {url:   "http://www.godspell.org.ar/upload/images/mainImage_18.jpg",
                                   title: "Godspell 2009",
                                   lead:  "Art Fair"};
            arImages[4] = {url:   "http://www.godspell.org.ar/upload/images/mainImage_43.jpg",
                                   title: "Godspell Values 2010",
                                   lead:  "Friendship"};
            arImages[5] = {url:   "http://www.godspell.org.ar/upload/images/mainImage_45.jpg",
                                   title: "Integrated Unit",
                                   lead:  "Bicentenario"};
            arImages[6] = {url:   "http://www.godspell.org.ar/upload/images/mainImage_16.jpg",
                                   title: "Godspell 2009",
                                   lead:  "Interhouses Hockey"};
            arImages[7] = {url:   "http://www.godspell.org.ar/upload/images/mainImage_12.jpg",
                                   title: "Godspell Spirit",
                                   lead:  "Primary"};
            arImages[8] = {url:   "http://www.godspell.org.ar/upload/images/mainImage_26.jpg",
                                   title: "Godspell College",
                                   lead:  "Building Background Knowledge"};
            arImages[9] = {url:   "http://www.godspell.org.ar/upload/images/mainImage_24.jpg",
                                   title: "Godspell 2009",
                                   lead:  "Family Day"};
            arImages[10] = {url:   "http://www.godspell.org.ar/upload/images/mainImage_40.jpg",
                                   title: "Godspell 2009",
                                   lead:  "Sports"};
            arImages[11] = {url:   "http://www.godspell.org.ar/upload/images/mainImage_22.jpg",
                                   title: "Godspell Spirit",
                                   lead:  "Intermediate III"};
            arImages[12] = {url:   "http://www.godspell.org.ar/upload/images/mainImage_41.jpg",
                                   title: "Godspell 2009",
                                   lead:  "Sports"};
            arImages[13] = {url:   "http://www.godspell.org.ar/upload/images/mainImage_29.jpg",
                                   title: "Godspell Primary",
                                   lead:  "\"Millennials Generation\""};
            arImages[14] = {url:   "http://www.godspell.org.ar/upload/images/mainImage_37.jpg",
                                   title: "Godspell Intermediate",
                                   lead:  "\"Rubrics\""};
            arImages[15] = {url:   "http://www.godspell.org.ar/upload/images/mainImage_23.jpg",
                                   title: "Godspell Ski Team",
                                   lead:  "Chapelco Champions 2009"};
            arImages[16] = {url:   "http://www.godspell.org.ar/upload/images/mainImage_9.jpg",
                                   title: "Godspell College",
                                   lead:  "Reggio Emilia Theory"};
            arImages[17] = {url:   "http://www.godspell.org.ar/upload/images/mainImage_39.jpg",
                                   title: "Godspell 2009",
                                   lead:  "Sports"};
            arImages[18] = {url:   "http://www.godspell.org.ar/upload/images/mainImage_10.jpg",
                                   title: "Godspell 2010",
                                   lead:  "Unidad Integrada del Bicentenario"};
            arImages[19] = {url:   "http://www.godspell.org.ar/upload/images/mainImage_28.jpg",
                                   title: "Godspell Intermediate",
                                   lead:  "Performing Arts"};
            arImages[20] = {url:   "http://www.godspell.org.ar/upload/images/mainImage_32.jpg",
                                   title: "Godspell 2009",
                                   lead:  "Colours Day"};
            arImages[21] = {url:   "http://www.godspell.org.ar/upload/images/mainImage_34.jpg",
                                   title: "Godspell 2009",
                                   lead:  "\"Understanding\""};
            arImages[22] = {url:   "http://www.godspell.org.ar/upload/images/mainImage_47.jpg",
                                   title: "Godspell Footbal",
                                   lead:  "Partidos Sudafrica 2010"};
            arImages[23] = {url:   "http://www.godspell.org.ar/upload/images/mainImage_46.jpg",
                                   title: "Godspell Value of the Month",
                                   lead:  "Ciudadanía"};
            arImages[24] = {url:   "http://www.godspell.org.ar/upload/images/mainImage_36.jpg",
                                   title: "Godspell Spirit",
                                   lead:  "Senior"};
            arImages[25] = {url:   "http://www.godspell.org.ar/upload/images/mainImage_35.jpg",
                                   title: "Senior III",
                                   lead:  "\"Brain\""};
            arImages[26] = {url:   "http://www.godspell.org.ar/upload/images/mainImage_27.jpg",
                                   title: "Godspell Spirit",
                                   lead:  "1st. Form"};
            arImages[27] = {url:   "http://www.godspell.org.ar/upload/images/mainImage_19.jpg",
                                   title: "Godspell College",
                                   lead:  "Intercolegial de Ski"};
            arImages[28] = {url:   "http://www.godspell.org.ar/upload/images/mainImage_33.jpg",
                                   title: "Godspell 2009",
                                   lead:  "Senior Drama Club \"Godspell\""};
var imgActual = 0;
function cambiarImg(){
$('imgRot').style.background = "url("+arImages[imgActual].url+")";
$('imgTitle').innerHTML = arImages[imgActual].title;
$('imgSubtitle').innerHTML = arImages[imgActual].lead;
imgActual++;
if (imgActual == (arImages.length))
imgActual = 0;
}
window.onload  = setInterval("cambiarImg()", 10000);

<!-- 
 Array.prototype.random = function( r ) {
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 if( !r ) { r = this.length; }
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 return this[ Math.floor( r * Math.random() - i ) ];
};

arImages.random();

function rotarImages()
{	
    mostrarImage(0,0);
}


function mostrarImage(id)
{
    $('imgRot').style.background = "url("+arImages[id].url+")";
    $('imgTitle').innerHTML = arImages[id].title;
    $('imgSubtitle').innerHTML = arImages[id].subtitle;
    var siguiente = id==arImages.length-1 ? 0 : id+1;
    setInterval('mostrarimage('+ siguiente +')', imagesTime);
}
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