function _fnFeatureHtmlFilter ( settings )
	{
		var classes = settings.oClasses;
		var tableId = settings.sTableId;
		var language = settings.oLanguage;
		var previousSearch = settings.oPreviousSearch;
		var features = settings.aanFeatures;
		var input = '<input type="search" class="'+classes.sFilterInput+'"/>';
	
		var str = language.sSearch;
		str = str.match(/_INPUT_/) ?
			str.replace('_INPUT_', input) :
			str+input;
	
		var filter = $('<div/>', {
				'id': ! features.f ? tableId+'_filter' : null,
				'class': classes.sFilter
			} )
			.append( $('<label/>' ).append( str ) );
	
		var searchFn = function() {
			/* Update all other filter input elements for the new display */
			var n = features.f;
			var val = !this.value ? "" : this.value; // mental IE8 fix :-(
	
			/* Now do the filter */
			if ( val != previousSearch.sSearch ) {
				_fnFilterComplete( settings, {
					"sSearch": val,
					"bRegex": previousSearch.bRegex,
					"bSmart": previousSearch.bSmart ,
					"bCaseInsensitive": previousSearch.bCaseInsensitive
				} );
	
				// Need to redraw, without resorting
				settings._iDisplayStart = 0;
				_fnDraw( settings );
			}
		};
	
		var searchDelay = settings.searchDelay !== null ?
			settings.searchDelay :
			_fnDataSource( settings ) === 'ssp' ?
				400 :
				0;
	
		var jqFilter = $('input', filter)
			.val( previousSearch.sSearch )
			.attr( 'placeholder', language.sSearchPlaceholder )
			.on(
				'keyup.DT search.DT input.DT paste.DT cut.DT',
				searchDelay ?
					_fnThrottle( searchFn, searchDelay ) :
					searchFn
			)
			.on( 'keypress.DT', function(e) {
				/* Prevent form submission */
				if ( e.keyCode == 13 ) {
					return false;
				}
			} )
			.attr('aria-controls', tableId);
	
		// Update the input elements whenever the table is filtered
		$(settings.nTable).on( 'search.dt.DT', function ( ev, s ) {
			if ( settings === s ) {
				// IE9 throws an 'unknown error' if document.activeElement is used
				// inside an iframe or frame...
				try {
					if ( jqFilter[0] !== document.activeElement ) {
						jqFilter.val( previousSearch.sSearch );
					}
				}
				catch ( e ) {}
			}
		} );
	
		return filter[0];
	}
Generate the node required for filtering text
 @returns {node} Filter control element
 @param {object} oSettings dataTables settings object
 @memberof DataTable#oApi