How does System.security.allowDomain(domain) exactly work??

[QUOTE=keitai;2333645]Hi,

how does it work?


var domain = "http://www.mydomain.com";
System.security.allowDomain(domain)

regards[/QUOTE]

this is clear:
http://livedocs.adobe.com/flash/8/main/wwhelp/wwhimpl/common/html/wwhelp.htm?context=LiveDocs_Parts&file=00002647.html