How to make facebook comment box width 100%?

Question

i am using this code to put a facebook comment box to my page,

Answer 1

well i think i managed to solve it, i analysed the comment box and saw that the fb-comments div is containing a span with the width of 470px by default, and inside this span i found an iframe of the same width, so the solution is to change the span and iframe width on window resize using jquery like this:

$(window).resize(function(){$('.fb-comments iframe,.fb-comments span:first-child').css({'width':$('#commentboxcontainer').width()});});

so now on window resize the whole comment box is taking the container width (by other means it is 100% width).