$(document).ready(function() {
    var container = $('#home-rotating-wraper > img');
    var size = container.size();

    if(size > 1)
    {
        container.hide();
        var r_nr = Math.floor(Math.random()*size)

        $.each(container,function(i, val){
            if(i == r_nr)
                $(this).show(); 
        })
    }
    
    var container_sub = $('#subpage-rotating-wraper > img');
    var size_sub = container_sub.size(); 
    
    if(size_sub > 1)
    {
        container_sub.hide();
        var r_nr = Math.floor(Math.random()*size_sub)

        $.each(container_sub,function(i, val){
            if(i == r_nr)
                $(this).show(); 
        })
    }    
});