function setSortField( field ){
   form = document.formHidden
   if( ( field.indexOf( form.sortField.value ) == 0 ) && ( field.indexOf( " DESC" ) == -1 ) )
       field += " DESC"
   form.sortField.value = field;
   form.submit();
}

function acao( index ){
   form = document.formHidden
	form.index.value = index;
	form.submit();
}

function goSearch( page ){
   form = document.formHidden
   form.action = page;
   form.submit();
}