//here you place the ids of every element you want.
            var ids=new Array('div1','div2','div3','div4');

            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';
                    }
                }
            }

     // pt autoselect
function highlight(field) {
       field.focus();
       field.select();
}