Javascript IMG Insert
    im_bar = document.createElement("img");
    im_bar.id = UPDATE_STATUS_RESPONSE[0]+"_SPLIT";
    im_bar.style.display = "block";
    im_bar.style.margin = "0px auto 0px auto";
    im_bar.src = "graphics/news_feed_line.png";
    document.getElementById("SCRIPT_NEWS_FEEDS").insertBefore(im_bar,document.getElementById("SCRIPT_NEWS_FEEDS").firstChild);

Produces

    <img src="graphics/news_feed_line.png" style="display: block; margin: 11px auto 0px;" id="2_SPLIT">

It is messing up the margin.
Javascript IMG Insert
===

    im_bar = document.createElement("img");
    im_bar.id = UPDATE_STATUS_RESPONSE[0]+"_SPLIT";
    im_bar.style.display = "block";
    im_bar.style.margin = "0px auto 0px auto";
    im_bar.src = "graphics/news_feed_line.png";
    document.getElementById("SCRIPT_NEWS_FEEDS").insertBefore(im_bar,document.getElementById("SCRIPT_NEWS_FEEDS").firstChild);

Produces

    <img src="graphics/news_feed_line.png" style="display: block; margin: 11px auto 0px;" id="2_SPLIT">

It is messing up the margin.