function imgSwapOn(imgName,imgFile) {
   document.getElementById(imgName).src='/images/'+imgFile+'-on.png';
}

function imgSwapOff(imgName,imgFile) {
   document.getElementById(imgName).src='/images/'+imgFile+'-off.png';
}

function imgSwapOnAdmin(imgName,imgFile) {
   document.getElementById(imgName).src='/images/'+imgFile+'-on.png';
}

function imgSwapOffAdmin(imgName,imgFile) {
   document.getElementById(imgName).src='/images/'+imgFile+'-off.png';
}

function displayPrivacyPolicy() {
    window.open('privacy.aspx','privacy','directories=no, height=no, location=no, menubar=no, resizable=no, scrollbars=yes, status=no, toolbar=no, width=300, height=500');
}