function makeArray(len)
{
    for (var i = 0; i < len; i++) this[i] = null;
    this.length = len;
}


banner = new makeArray(6);
banner[0] = '<a href="http://my.americanheart.org"><img src="/includes/images/banners/mah_SessionsBanner.jpg" alt="AHA/ASA Professional Membership" border="0"></a>';
banner[1] = '<a href="http://www.americanheart.org/eccinstructorconference"><img src="/includes/images/banners/ecc_GIC_banner.jpg" alt="AHA Guidelines for CPR & ECC" border="0"></a>';
banner[2] = '<a href="http://scientificsessions.americanheart.org/portal/scientificsessions/ss/nursingtrack"><img src="/includes/images/banners/nursingfull.jpg" alt="Cardiovascular Nursing" border="0"></a>';
banner[3] = '<a href="http://www.scientificsessions-365.com"><img src="/includes/images/banners/38727.jpg" alt="Scientific Sessions 365 Days a Year" border="0"></a>';
banner[4] = '<a href="http://my.americanheart.org/dyn/dyn/SWLSSO?signinType=SWL&confId=profswl"><img src="/includes/images/banners/profOnlineNetwork.gif" alt="Professional Online Network" border="0"></a>';
banner[5] = '<a href="http://www.americanheart.org/presenter.jhtml?identifier=3015493"><img src="/includes/images/banners/QualityBanner.jpg" alt="Improve Patient Care" border="0"></a>';


function arrayRand()
{
    i = rand(50);
    if (i > 25) {
        i = i* -1;
    }
    return i;
}

function randomizeArray(banner)
{
    var realArray = new Array(banner.length);
    for (i=0;i<banner.length;i++) {
        realArray[i] = banner[i];
    }
    return realArray.sort(arrayRand);
}

function rand(n)
{
    seed = (0x015a4e35 * seed) % 0x7fffffff;
    return (seed >> 17) % n;
}
var now = new Date()
var seed = now.getTime() % 0xffffffff