var logi=0
function login() {
 if (logi==180) {document.getElementById('scroll').style.marginTop="300px"}
 if (logi<410) {
  document.getElementById('login').style.marginTop=logi+"px"
  document.getElementById('right').style.marginRight=-150+(logi/3)+"px"
  document.getElementById('left').style.marginLeft=-150+(logi/3)+"px"
  logi+=6
  setTimeout(function(){login()},0)
 }
 else {
  document.getElementById('login').style.marginTop="391px"
  scroll()}
}
  
var logo=391
function logout() {
 if (logo>0) {
  document.getElementById('login').style.marginTop=logo+"px"
  logo-=20
  setTimeout(function(){logout()},0)
 }
 else {document.getElementById('login').style.marginTop="391px"}
}
  
var s=300
function scroll() {
 if (s>-3200) {
  document.getElementById('scroll').style.marginTop=s+"px"
  s-=1
 }
 else {s=300}
 setTimeout(function(){scroll()},30)
}