How to put complete web domain name in document.write script src=...?

[mardash]

How to put complete domain nam in this

document.write("<script src=\"/feeds/posts/default?max-results="+numposts1+"&orderby=published&alt=json-in-script&callback=showrecentposts5\"><\/script>")

how i replace
/feeds/posts/default
For
http://www.google.com/feeds/posts/default

i tried but it show code error so i need your opinion :)

[acoder]

What's the error message?