function sf() {
//set focus to the first element of the 2nd form of a page
if (document.forms.length > 1) {
var field = document.forms[1];
for (i = 0; i < field.length; i++) {
if ((field.elements[i].type == "text") || (field.elements[i].type == "textarea") || (field.elements[i].type.toString().charAt(0) == "s")) {
document.forms[1].elements[i].focus();
break;
         }
      }
   }
}