function fieldFocus( term ) { 
   var f;
   f = document.getElementsByTagName('form')[1]; 
   var el, els = f.elements; 
   for ( var i=0, j=els.length; i<j; i++ ) { 
     el = els[i]; 
     if ( 'text' == el.type && el.focus) { 
       el.focus(); 
       return; 
     } 
   } 
}