function makeactive(m)
{
 if( m=='login' ) {
   document.getElementById('optiontab').style.display = 'none';
   document.getElementById('forgotpasslink').style.display = 'inline';
   }
 if( m=='register' ){
   document.getElementById('optiontab').style.display = 'inline';
   document.getElementById('forgotpasslink').style.display = 'none';
   }

 document.getElementById('login_mode').value = m;
}

function logintab(m)
{
 if( m == 'register' ){ makeactive('register'); document.getElementById('loginbutton').value = 'Register';}else
 if( m == 'login' ) { makeactive('login'); document.getElementById('loginbutton').value = 'Login'; activetab='login'; }
}