all kinds of funxionz u sud add :D

function callAPI(data, method, callback, addurl) {
    data['format'] = 'json';
    $.ajax({
        data: data,
        dataType: 'json',
        url: wgScriptPath + '/api.php' + (addurl?addurl:''),
        type: method,
        cache: false,
        success: function(response) {
            if (response.error)
                alert('API error: ' + response.error.info);
            else
                callback(response);
        },
        error: function(xhr, error) { alert('AJAX error: ' + error) }
    });
}

function addCommas(nStr) {
    nStr += '';
    x = nStr.split('.');
    x1 = x[0];
    x2 = x.length > 1 ? '.' + x[1] : '';
    var rgx = /(\d+)(\d{3})/;
    while (rgx.test(x1)) {
        x1 = x1.replace(rgx, '$1' + ',' + '$2');
    }
    return x1 + x2;
}

function cloneObj(a,b) {
    if (typeof(a)!='object') return '';
    if (typeof(b)!='object') b = {};
    for (var key in a) {
        b[key] = a[key];
    }
    return b;
}

function sum(arr) {
    var tot = 0;
    for (var i=0;i<arr.length;i++) {
        tot += parseFloat(arr[i])||0;
    }
    return tot
}

//This returns an array with the averages of the preceding  amt  values in the array. Use avg(arr)[0] to get the total average of an array.
//Note: uses the above sum() function.
function avg(arr,amt,round) {
    amt = amt||arr.length;
    round = Math.pow(10,round||0)
    var avgs = [], list = [];
    for (var i=0;i<arr.length;i++) {
        list[i % amt] = arr[i][1]
        if (i>=amt) {
            avgs.push([arr[i][0], Math.round((sum(list)/list.length) * round)/round]);
        }
    }
    return avgs;
}

//OMG WHY JS NO HAVE THIS ALREADY
function isInt(n) {
    return !isNaN(parseInt(n));
}

//Syntax: massReplace(string, [replace,with], [replace,with], [replace,with], etc, regexFlags);
//Applies regexFlags (optional) to all replaces.
massReplace = function() {
    var str = arguments[0];
    var args = arguments.slice(1)
    var looplen = args.length;
    if (typeof args[args.length-1] == 'string' && args[args.length-1].match(/^[gixsm]{0,5}$/)) {
        var flags = arguments[arguments.length-1];
        looplen = looplen-1;
    } else { var flags = ''; }
    for (var i=0;i<looplen;i++) {
        str = str.replace(new RegExp(args[i][0], flags), args[i][1]);
    }
    return str;
}