redirect domain if exist

[webstyler]

Hi, I need to make this :

I open www.mydomain.com

here there is htaccess :

"if" there is www.mydomain.com/mydomaincom/
"then" I redirect into
"else" I redirect to /index.html

If correct to make this with htaccess or is best to make it with php?
And how make it with apache rewrite?

thks :)

[jdMorgan]

Webstyler,

This subject has been previously discussed in-depth. See this recent thread [webmasterworld.com] to get started.

Jim