function GoMaps()
{
    document.getElementById("ifrmMaps").src = "http://maps.google.com/maps";
}
function GetQR()
{
    var url = document.getElementById("txtURL").value;
    if (url.indexOf("http://") != 0 || url.indexOf(".") == -1)
    {
        alert("Please enter a valid url");
        document.getElementById("txtURL").focus();
        return;
    }
    document.getElementById("imgQR").src = "http://chart.apis.google.com/chart?cht=qr&chs=140x140&chl=" + url;
    document.getElementById("hlQR").href = url;
    document.getElementById("imgTick").style.display = "block";
}