function select(containername)
{
    if (document.getElementById(containername).value == "True")
    {
        document.getElementById(containername).value = "False";
        document.getElementById(containername+'_imageSelected').className = "unselected";
        document.getElementById(containername+'_imageUnSelected').className = "selected";
    }
    else
    {
        document.getElementById(containername).value = "True";
        document.getElementById(containername+'_imageUnSelected').className = "unselected";
        document.getElementById(containername+'_imageSelected').className = "selected";
    }
}