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

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

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';
                }
        }
}

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';
                }
        }
}