function location_login_page(_request){
    var url = $('#login_rollback_url').val();
    
    if(_request){
        url = url+'?req='+_request;

    }
    
    location.href=url;
}

function location_link_page(_request){
    var url = '/twitter'

    if(_request){
        url = url+'?req='+_request;
    }

    location.href=url;
}

function location_register_page(){
    var url = $('#register_rollback_url').val();
    location.href=url;
}