Disable or remove one select filter

Hi,

After struggling for hours on this I finally ask for help because I can't find how to do what I want. I'm a beginner so I'm not used to use js.

I'm using http://datatables.net/release-datatables/examples/api/multi_filter_select.html and I'd like to understand how can I disable or remove one select input element used to filter a column.

I tried many things without success. I think I also misunderstood the usage of aoColumnDefs which only disable the global search but not the select input filter.

For the moment I added a "visibility:hidden;" on the th tag that I don't want to have the select input.

My issue is pretty similar than the "problem 2" from this topic http://datatables.net/forums/discussion/5942/searchfilter-on-specific-columns-only-not-working/p1

I'm using the code from the example

$(document).ready(function() {/* Initialise the DataTable */
		var oTable = $('#resultTable').dataTable({
			"bSort": false,
			 "sPaginationType": "full_numbers",
		});
		
		// Add a select menu for each TH element in the table header
		$("thead tr th").each(function (i) {this.innerHTML = fnCreateSelect(oTable.fnGetColumnData(i));$('select', this).change(function () {oTable.fnFilter($(this).val(), i);});});
	});
 

I've just added an if statement and it's working (I have the select filter only on column 2 to 5) but I know this is not optimized

$("thead tr th").each(function (i) {
//maybe i !=0 is better here
			if ((i == 1) || (i == 2)||(i == 3) || (i == 4)) {
				this.innerHTML = fnCreateSelect(oTable.fnGetColumnData(i));
				$('select', this).change(function () {
					oTable.fnFilter($(this).val(), i);
				});
			}
		});

Thanks for your help