Download assetbundles with Webapp

Hi everyone. i have one specific problem, im trying to download assetbundles from server, but if i build my project for PC or just play in Unity Editor, everything works , but if i build my project for WEB, nothing work, why? So i need web application... i looking for some webpage with this problem, but i didnt find solution. i have read something about crossdomain, so i put it on my project and server too, i rewrited "WWW Security Emulation" in my project Edit->Project Settings->Editor but still doesnt work. Any help me? here is my crossdomain...

 <?xml version="1.0"?>
 <cross-domain-policy>
 <allow-access-from domain="http://www.raynoko.meximas.com"/>
 </cross-domain-policy>