* Adjust the table column widths for new data. Note: you would probably want to * do a redraw after calling this function! * @param {object} sett

* Covert the index of an index in the data array and convert it to the visible * column index (take account of hidden columns) * @param {int} i

* Use the DOM source to create up an array of header cells. The idea here is to * create a layout grid (array) of rows x columns, which contains a r

* Draw the header (or footer) element based on the column visibility states. The * methodology here is to use the layout array from _fnDetectHeader,

* Filter the table using both the global filter and column based filtering * @param {object} oSettings dataTables settings object * @param {obje

* Get an array of column indexes that match a given property * @param {object} oSettings dataTables settings object * @param {string} sParam Par

* Mark cached data as invalid such that a re-read of the data will occur when * the cached data is next requested. Also update from the data source

* Get the number of visible columns * @param {object} oSettings dataTables settings object * @returns {int} i the number of visible columns *

* HELPERS