Highlight Multiple dates with JQuery DatePicker

The script highlights entire week starting from the selected date. The input however is populated as the selected date. I have attached the datepicker to a div for an "allways show" effect.

by Superman

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.11/themes/base/jquery-ui.css">
<div id="target" style="border:2px solid;">
    <div id="datepicker" ></div>
</div>

CSS

.highlighted-week a.ui-state-default{
    background: url("images/ui-bg_glass_65_ffffff_1x400.png") repeat-x scroll 50% 50% #FFFFFF;
    border: 1px solid #AAAAAA;
    color: #212121;
    font-weight: normal
}

JavaScript

$(function() {
    if (typeof SVG == 'undefined') SVG = {};
    if (typeof SVG.Weekpicker == 'undefined') SVG.Weekpicker = {};
    SVG.Weekpicker.GetWeek = function(_selectedDate) {
        var week = new Array();
        for (i = 0; i < 5; i++) {
            var tempDate = new Date(_selectedDate.getTime());
            tempDate.setDate(tempDate.getDate() + i);
            week.push(tempDate.getTime());
        }
        return week;
    };
    SVG.Weekpicker.Init = function() {
        SVG.Weekpicker._dates = new Array();
        var _currentDate = new Date();
        SVG.Weekpicker._dates = SVG.Weekpicker.GetWeek(new Date(_currentDate.getFullYear(),
                                                                _currentDate.getMonth(),
                                                                _currentDate.getDate()));

        $('#datepicker').datepicker({
            beforeShowDay: function(_date) {
                if ($.inArray(_date.getTime(), SVG.Weekpicker._dates) >= 0) 
                    return [true, "highlighted-week", "Week Range"];
                return [true, "", ""];
            },
            onSelect: function(_selectedDate) {
                var _date = new Date(_selectedDate);
                SVG.Weekpicker._dates = SVG.Weekpicker.GetWeek(_date);
            }
        });
    };

    if ($('#datepicker').size() > 0) {
        SVG.Weekpicker.Init();
    }
});