/**
 * Sort numeric data which has a percent sign with it.
 *  @name Percentage
 *  @anchor percentage
 *  @author <a href="http://jonathanromley.org/">Jonathan Romley</a>
 */

jQuery.extend( jQuery.fn.dataTableExt.oSort, {
	"percent-pre": function ( a ) {
		var x = (a == "-") ? 0 : a.replace( /%/, "" );
		return parseFloat( x );
	},

	"percent-asc": function ( a, b ) {
		return ((a < b) ? -1 : ((a > b) ? 1 : 0));
	},

	"percent-desc": function ( a, b ) {
		return ((a < b) ? 1 : ((a > b) ? -1 : 0));
	}
} );