quick string manipulation table

Really helps a new technique: to register the class only one, parent element and set the visibility in css:
\r
\r
\r#sometable.do_hide .need_hide { display: none; }
\r
\r
...
\r
$('#sometable').addClass('do_hide');
\r

If it is necessary on JS the fastest to abandon abstractions.
\r
\r

 var trs = document.getElementById("table").getElementsByTagName("tr"); for (var i=0; i

Are you sure you really need 5 thousand rows of data on one page? I would break the data on the server-side pages lines 50, for example. And to find data — sorting by various columns + operation filtering + Hide button.

Try to hide a table (optional via display:none, it is better using visibility:hidden), then hide all rows, then show table.
I advise you to check: webo.in/articles/all/2009/31-rending-restyle-reflow-relayout/

The server is also not outsource, static grid 5K will be loaded very long, I suggest you try not to use table principle, and go to ul li, browsers work with lists much faster, even IE7, he really tried on thousands of records, grid on js was filled for a very long time, not to mention that all IE Windows are hung. But with lists it's much more fun look! plus, advice from and I think it will be faster... the string inside the li element do inline elcmentary, such as they span faster div

Create 5 tables for 1K and hide themselves in the table.

there is a plugin for jquery www.trirand.com/blog/jqgrid/jqgrid.html (Advanced -> Search Big Sets) just to work with large tables