$(document).ready(function () {
    DimensionPage();

    $(window).resize(function () {
        DimensionPage();
    });
});

function DimensionPage() {
    var contentH = $("#MasterMainContent").innerHeight();
    $("#MasterMainContainer").css("height", contentH + "px");

    var windowH = $(window).height();
    var totalH = $("#MasterMainTop").innerHeight() + $("#MasterMainContainer").innerHeight() + $("#MasterMainFooter").innerHeight();

    if (windowH < totalH) {
        $("#MasterMainFooter").removeClass("MasterMainFooterAbsolute");
        $("#MasterMainFooter").addClass("MasterMainFooterRelative");
    }
    else {
        var diff = windowH - ($("#MasterMainTop").innerHeight() + $("#MasterMainFooter").innerHeight());
        $("#MasterMainContainer").css("height", diff + "px");
        $("#MasterMainFooter").removeClass("MasterMainFooterRelative");
        $("#MasterMainFooter").addClass("MasterMainFooterAbsolute");
    }
}