JavaScript - Borra tr de una tabla

function eliminar_filas(pieza){

	var tableReg = document.getElementById('listado');

    var searchText = pieza;

	var cc = tableReg.rows.length;

    for (var i = 1; i < cc; i++) {

        var cellsOfRow = tableReg.rows[i].getElementsByTagName('td');

        for (var j = 0; j < cellsOfRow.length; j++) {

            var compareWith = cellsOfRow[j].innerHTML.toLowerCase();

            if (searchText.length == 0 || (compareWith.indexOf(searchText) > -1)) {

				tableReg.deleteRow(i);

				i = i-1;

				tableReg.rows[i].style.display = 'none';

            }

        }

	}

}