// Resize iframe to full height 
function resizeIframe(height) {
    // "+60" is a general rule of thumb to allow for differences in
    // IE & and FF height reporting, can be adjusted as required..
    var e = document.getElementsByName('BookingFrame');
    if ((e != null) && (e.length>0)) {
       var o=e[0];
       o.height = parseInt(height);
    }
}