function calc(sliderVal, serversize) {
    //var serversize = $('input[name="size"]').val();
    var hours = sliderVal;
    var ramhours = (hours * serversize)/1024;

    $('table#tally #totalhours').html(hours);
    $('table#tally #ramhours').html(ramhours);
}

$(function(){
    var serversize = $('input[name="size"]').val();
    var sliderPos = 1;
    calc(sliderPos, serversize);

    var slider = $('#ramHr_calc_slider').slider({
            handle: '#ramHr_calc_handle',
            min: 1,
            max: 720,
            steps: 719,
            animate:true,
            slide: function(e, ui) {
                $(this).parent().append(e);
                calc(ui.value, serversize, e);
                sliderPos = ui.value;
            }
        });

    $('input[name="size"]').change(function(){
        serversize = parseInt($(this).val());
        calc(sliderPos, serversize);
    });

    $('#server_pricing').tabs();
})