function user(page) {
var myTime = new Date();
var timeNow = myTime.getTime();
window.location =  page; }
function user2(f) {
var dis=f.online.selectedIndex;
page = f.online.options[dis].value;
window.location = page;
}
function user3(f) {
var dis=f.online2.selectedIndex;
page = f.online2.options[dis].value;
window.open(page,'user2','width=600,height=500,left=180,top=20,scrollbars=yes');
}