function selecturl(s){
var gourl = s.options[s.selectedIndex].value;
window.top.location.href = gourl;
}

function setCheckboxes(the_form,the_checkboxes,do_check){
var elts = document.forms[the_form].elements[the_checkboxes + '[]'];
var elts_cnt = (typeof(elts.length) != 'undefined') ? elts.length : 0;
if (elts_cnt) {  for(var i = 0; i < elts_cnt; i++){ elts[i].checked = do_check; }  }
else { elts.checked = do_check; }
return true;
}