$(function () {
    $('#selectItemsOnPage').change(function () {
        var itemsOnPage = $('#selectItemsOnPage option:selected').val();
        set_cookie("ProductsOnPage", itemsOnPage, new Date(2100,1,1));
//        var regExp = /PageSize\=[0-9]*/;
//        var url = document.location.href;
//        if (url.search(regExp) > -1)
//            url = document.location.href.replace(regExp, "PageSize=" + itemsOnPage);
//        else if (url.indexOf('?') > -1)
//            url = document.location.href + "&PageSize=" + itemsOnPage;
//        else
//            url = document.location.href + "?PageSize=" + itemsOnPage;

        window.location.reload();
    })
})