Fake image with name initials

function generateImage(picture, name){
    if( picture != null )
    {
        return '<img src="' + picture + '" alt="" />';
    }
    else
    {
        // http://jsfiddle.net/tHCsq/2/ - generate colors
        // http://jsfiddle.net/6PfsW/2/ - generate array
        // http://jsfiddle.net/LP8kr/ - shuffling

        var colors = ['#007f3f', '#3f7f00', '#b20094', '#b27600', '#997f00', '#990019', '#007f00', '#003bb2', '#7f3f00', '#7700b2', '#990066', '#007f7f', '#00007f', '#1d00b2', '#b21d00', '#7f7f00', '#7f003f', '#00b21d', '#009933', '#993200', '#320099', '#7f007f', '#00b276', '#001999', '#669900', '#3f007f', '#b2003b', '#7f0000', '#7f0099', '#199900', '#94b200', '#0094b2', '#003f7f', '#3bb200', '#006599', '#00997f'];

        return '<div class="fake-img"><div class="fake-img-bg" style="background: ' + colors[stringValue(name)] + '">' + nameInitials(name) + '</div></div>';
    }
}

function stringValue(string){
    var sum = 0;

    for( var i = 0; i < string.length; i++ )
    {
        var code = string.charCodeAt(i);

        sum ^= code * (i+1);
    }

    return parseInt(Math.round(sum % 36));
}

function nameInitials(name){
    var initials = '';

    name = '' + removeAccents(name);

    var matches = name.match(/\b(\w)/g);

    for( var i = 0; i < matches.length; i++ )
    {
        initials += matches[i];
    }

    if( initials.length > 2 )
    {
        return initials.substr(0, 2);
    }

    if( initials.length < 2 )
    {
        return name.substr(0, 2);
    }

    return initials;
}

function removeAccents(input){
    var accents     = 'ÀÁÂÃÄÅàáâãäåÒÓÔÕÕÖØòóôõöøÈÉÊËèéêëðÇČçčÐĎďÌÍÎÏìíîïĽľÙÚÛÜùúûüÑŇñňŠšŤťŸÿýŽž  ́', // need to hack accent
        accentsOut  = 'AAAAAAaaaaaaOOOOOOOooooooEEEEeeeeeCCccDDdIIIIiiiiLlUUUUuuuuNNnnSsTtYyyZz ',
        output      = '',
        index       = -1;

    for( var i = 0; i < input.length; i++ )
    {
        index = accents.indexOf(input[i]);

        if( index != -1 )
        {
            output += typeof accentsOut[index] != 'undefined' ? accentsOut[index] : '';
        }
        else
        {
            output += typeof input[i] != 'undefined' ? input[i] : '';
        }
    }

    return output;
}