function switchid (id,ids) {
    hideallids(ids);
    showdiv(id);
}

function hideallids(my_ids){
    //loop through the array and hide each element by id
    for (var i=0;i<my_ids.length;i++){
        hidediv(my_ids[i]);
    }         
}


function showdiv(id) {
    //safe function to show an element with a specified id

    if (document.getElementById) { // DOM3 = IE5, NS6
        document.getElementById(id).style.display = 'block';
    }
    else {
        if (document.layers) { // Netscape 4
            document.id.display = 'block';
        }
        else { // IE 4
            document.all.id.style.display = 'block';
        }
    }
}

function hidediv(id) {
    //safe function to hide an element with a specified id
    if (document.getElementById) { // DOM3 = IE5, NS6
        document.getElementById(id).style.display = 'none';
    }
    else {
        if (document.layers) { // Netscape 4
            document.id.display = 'none';
        }
        else { // IE 4
            document.all.id.style.display = 'none';
        }
    }
}