How do I pass a list from aspx to javascript?

I have a list that I loop through to populate my table. I would like to pass a row of data to my javascript code at best. If not, I would like to pass the list and the id number to search for that row in the list. How can I do this?

<%foreach(var item in Model.NewList) { %>
<tr>
   <td><%=item.EntryDate.ToShortDateString() %></td>
   <td onmouseover="showDetailsHover(<%=item %>,<%=item.idNumber%>);"
       onmouseout="hideDetailsHover();"><%=Html.ActionLink(item.idNumber,"SummaryRedirect/" + item.idNumber) %></td>
</tr>
<% } %>

You can use Json serialization to pass this data http://json.codeplex.com/ - library for serialization

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