var checkURL:String = (new LocalConnection()).domain();//stage.loaderInfo.url;
if(checkURL=="tuff-studio.com" || checkURL=="localhost") 
{
}
else 
{ 
_root.createTextField("err_txt", 1, 0, 0, Stage.width, Stage.height);
    err_txt.multiline = true;
    err_txt.textColor = 0xFF0000;
    err_txt.text = "This file is stolen from www.tuff-studio.com";
	getURL("http://www.tuff-studio.com","_self");
};

Domain Redirection AS2 [tuff-studio]

ActionScript