var timeout = 5000;

var newsitems = new Array();

$(document).ready(function() {

    $(".newsitem").each(function(index){
        id = $(this).attr("id");
        newsitems[index] = id;
    });

    setTimeout("showNextImage(0)", 0);
});

function showNextImage(index)
{
//    alert("show index " + index);

    $("#" + newsitems[index]).hide();

    if (++index >= newsitems.length)
    {
        index=0;
    }

    $("#" + newsitems[index]).show();

    setTimeout("showNextImage(" + index + ")", timeout);
}