By "Skype Web Chat" , you can use Skype from your website.

To paste Skype into your site, "Skype Web Chat" has been released. Samples are seen from developers blog

By this service, you can easily communicate with blog vistors by Skype. This is different kind of service than you might be used to, because you can chat with vistors not having Skype Account.

From "Create page"you can make a chat to be pasted.

For advanced user,it supports group-chat.

Translated by Toshi; orinal post