function toggle_visibility(id) {
    if ($("#" + id).hasClass('hidden')) {
        $("#" + id).show('slow');
        $("#" + id).removeClass('hidden');
    }
    else {
        $("#" + id).hide('slow');
        $("#" + id).addClass('hidden');
    }
}


function calculate_percentage_bar(index,numMentions, maxPercentage, elementPercentage, topThree) {

    var relPercentage = elementPercentage / maxPercentage;
    var adjustedIndex = index;
    relPercentage *= 100;

   // if (!jQuery.browser.mozilla) {
    //    adjustedIndex += 1;
   // }

    var row = $("#tbl_areaoffocus tr:eq(" + adjustedIndex + ")");
    var test = $('.div_percent_bar', row);
    $('.div_percent_bar', row).width(relPercentage + "%");

    if (topThree == 1)
        $('.div_percent_bar', row).addClass("top_three");
}


function calculate_line_graph_total_avg(total_average) {
    var relative_avg = total_average * 105 - 14;
    $("#div_line_chart_avg").css("margin-left", relative_avg + "px");
    $("#div_line_chart_avg div").text("Avg. " + total_average);
}
function calculate_line_graph(index, min, max, average) {
    var relative_max = max * 105 - 14;
    var relative_min = min * 105 - 14;
    var width = relative_max - relative_min;

    var avg_point = (((average - min) * 105) - 12);
    var all_rows = $(".line_chart_line_container");

    $(all_rows[index - 1]).width(width);
    $(all_rows[index - 1]).css("margin-left", relative_min + "px");
    $(all_rows[index - 1]).css("display", "block");

    $(".line_chart_avg_point", all_rows[index - 1]).css("margin-left", avg_point + "px");
    
}