function showTilde(tab) {
   // hide all
    document.getElementById('tabHome').style.visibility = 'hidden';
    document.getElementById('tabAbout').style.visibility = 'hidden';
    document.getElementById('tabOurAntiques').style.visibility = 'hidden';
    document.getElementById('tabServices').style.visibility = 'hidden';
    document.getElementById('tabContact').style.visibility = 'hidden';
    document.getElementById('tabSiteMap').style.visibility = 'hidden';
 
    //document.getElementById(tab).style.visibility = 'visible';
}

function showImage(antique, thumb) {
    var img = new Image();

    img.onload = function () {
        var imgHeight = img.height;

        document.getElementById('detailImage').src = "img/Antique" + antique + "/large" + thumb + ".jpg?" + new Date().getTime();
        document.getElementById('detailImage').style.height = imgHeight + 'px';
    };


    img.src = "img/Antique" + antique + "/large" + thumb + ".jpg?" + new Date().getTime();
}