if (/Firefox[\/\s](\d+\.\d+)/.test(navigator.userAgent))
{
    var ffversion = new Number(RegExp.$1)
}

if (/MSIE (\d+\.\d+);/.test(navigator.userAgent))
{
    var ieversion = new Number(RegExp.$1)
    if (ieversion < 7)
        redirectToOldSite();
}

if (/Opera[\/\s](\d+\.\d+)/.test(navigator.userAgent))
{
    var oprversion = new Number(RegExp.$1)
}

function redirectToOldSite()
{
    window.location.href = 'http://www.collages.net/site/default.aspx';
    window.event.returnValue = false;
}