Hi, I'm not completely sure what you are describing, but my interpretation of it is that you have a user editable list that is output into the "Content" column, and you want that to be split into two even(ish) columns?

If what I've described is correct, I'd just render the entire list and then float the list items via CSS

So for example if your page goes:

<div id="Content">

<ul id="The_List">
<li>Item 1</li>
<li>Item 2</li>
<li>Item 3</li>
<li>Item 4</li>
</ul>

</div>

You could go:

#The_List li {
width: 49%;
float: left;
}

I may have totally missed the point, but hope that's of some use if not.