var boolIsValidBrowser = false;
if ($.browser.msie && (screen.availWidth >= 960 && screen.availHeight >= 700)) {
    //IE
    if (parseFloat($.browser.version) >= 7) {
        boolIsValidBrowser = true;
    }
} else if ($.browser.safari && (screen.availWidth >= 960 && screen.availHeight >= 700)) {
    //Safari & Chrome (both Webkit)
    if (parseInt($.browser.version) > 526) {
        boolIsValidBrowser = true;
    }
} else if ($.browser.mozilla && (screen.availWidth >= 960 && screen.availHeight >= 700)) {
    //Firefox
    if (parseFloat($.browser.version) >= 1.9) {
        boolIsValidBrowser = true;
    }
}
if (!boolIsValidBrowser) {
    document.location.href = "./light-version/index.aspx";
}