global silvermoon_to_undercity= function(plr)
{
    // Silvermoon to Undercity
    // map id, x, y, z (must be float!)
    plr.Teleport(0, 1805.0, 336.0, 71.0);
};
.RegisterGameObjectEvent(184502, 2, silvermoon_to_undercity);

global undercity_to_silvermoon = function(plr)
{
    // Undercity to Silvermoon
    // map id, x, y, z (must be float!)
    plr.Teleport(530, 10021.0, -7014.0, 50.0);
};
.RegisterGameObjectEvent(182546, 2, undercity_to_silvermoon);