function popWindow(theURL,winName,features) 
{
    window.open(theURL,winName,features);
}

function popInterstitial(destURL) {
    window.open('interstitial.aspx?link=' + destURL, 'Interstit', 'width=450, height=302, status=yes, location=no, menu=no, scrollable=no, resize=no');
}