function toggleButtons(){
        d=document.getElementById('ViewChart');
        hr = (d.href!='');
        grey = hr?'':'Grey';
        cl   = hr?'enabled-btn':'disabled-btn';
        alt  = hr?'View Diocese chart':'Select a Diocese';
        dimg=document.getElementById('ViewDioBtn');
        dimg.src='Images/ViewDioceseChart'+grey+'.gif';
        dimg.className=cl;
        dimg.alt=alt;
        
        p=document.getElementById('ViewChurchChart');
        hr = (p.href!='');
        grey = hr?'':'Grey';
        cl   = hr?'enabled-btn':'disabled-btn';
        alt  = hr?'View Parish chart':'Select a Diocese and Parish';
        pimg=document.getElementById('ViewChurchBtn');
        pimg.src='Images/ViewChurchChart'+grey+'.gif';
        pimg.className=cl;
        pimg.alt=alt;
        
        p=document.getElementById('ViewProfile');
        hr  = (p.href!='');
        grey = hr?'':'Grey';
        cl   = hr?'enabled-btn':'disabled-btn';
        alt  = hr?'View Community Profile':'Select a Diocese and Parish';
        primg=document.getElementById('ViewProfileBtn');
        primg.src='Images/ViewCommunityProfile'+grey+'.gif';
        primg.className=cl;
        primg.alt=alt;
        p=document.getElementById('ddParish');
        psel = (p.value!='');
        if ( psel && !hr ) {
            cl='no-profile';
        } else {
            cl='hidden';
        }
        np=document.getElementById('NoProfile');
        np.className=cl;
        
    }