jQuery.fn.dataTableExt.oSort['numeric-comma-asc']  = function(a,b) {
	var x = (a == "-") ? 0 : a.replace( /,/, "." );
	var y = (b == "-") ? 0 : b.replace( /,/, "." );
	x = parseFloat( x );
	y = parseFloat( y );
	
	if (isNaN(y) || x < y) { return -1; }
	if (isNaN(x) || x > y) { return 1; }
	
	return ((x < y) ? -1 : ((x > y) ?  1 : 0));
};

jQuery.fn.dataTableExt.oSort['numeric-comma-desc'] = function(a,b) {
	var x = (a == "-") ? 0 : a.replace( /,/, "." );
	var y = (b == "-") ? 0 : b.replace( /,/, "." );
	x = parseFloat( x );
	y = parseFloat( y );
	
	if (isNaN(x) || x < y) { return 1; }
	if (isNaN(y) || x > y) { return -1; }
	
	return ((x < y) ?  1 : ((x > y) ? -1 : 0));
};

jQuery.fn.dataTableExt.oSort['currency-asc'] = function(a,b) {
	/* Remove any commas (assumes that if present all strings will have a fixed number of d.p) */
	var x = a == "-" ? 0 : a.replace( /,/g, "" );
	var y = b == "-" ? 0 : b.replace( /,/g, "" );
	
	/* Remove the currency sign */
	x = x.substring( 1 );
	y = y.substring( 1 );
	
	/* Parse and return */
	x = parseFloat( x );
	y = parseFloat( y );
	return x - y;
};

jQuery.fn.dataTableExt.oSort['currency-desc'] = function(a,b) {
	/* Remove any commas (assumes that if present all strings will have a fixed number of d.p) */
	var x = a == "-" ? 0 : a.replace( /,/g, "" );
	var y = b == "-" ? 0 : b.replace( /,/g, "" );
	
	/* Remove the currency sign */
	x = x.substring( 1 );
	y = y.substring( 1 );
	
	/* Parse and return */
	x = parseFloat( x );
	y = parseFloat( y );
	return y - x;
};

jQuery.fn.dataTableExt.oSort['uk_date-asc'] = function(a,b) {
	var ukDatea = a.split('/');
	var ukDateb = b.split('/');
	
	var x = (ukDatea[2] + ukDatea[1] + ukDatea[0]) * 1;
	var y = (ukDateb[2] + ukDateb[1] + ukDateb[0]) * 1;
	
	if (isNaN(y) || x < y) { return -1; }
	if (isNaN(x) || x > y) { return 1; }
	
	return ((x < y) ? 1 : ((x > y) ?  -1 : 0));
};

jQuery.fn.dataTableExt.oSort['uk_date-desc']  = function(a,b) {
	var ukDatea = a.split('/');
	var ukDateb = b.split('/');
	
	var x = (ukDatea[2] + ukDatea[1] + ukDatea[0]) * 1;
	var y = (ukDateb[2] + ukDateb[1] + ukDateb[0]) * 1;
	
	if (isNaN(x) || x < y) { return 1; }
	if (isNaN(y) || x > y) { return -1; }
	
	return ((x < y) ? -1 : ((x > y) ?  1 : 0));
};

jQuery.fn.dataTableExt.oSort['percent-asc']  = function(a,b) {
	var x = (a == "-") ? 0 : a.replace( /%/, "" );
	var y = (b == "-") ? 0 : b.replace( /%/, "" );
	x = parseFloat( x );
	y = parseFloat( y );
	return ((x < y) ? -1 : ((x > y) ?  1 : 0));
};

jQuery.fn.dataTableExt.oSort['percent-desc'] = function(a,b) {
	var x = (a == "-") ? 0 : a.replace( /%/, "" );
	var y = (b == "-") ? 0 : b.replace( /%/, "" );
	x = parseFloat( x );
	y = parseFloat( y );
	return ((x < y) ?  1 : ((x > y) ? -1 : 0));
};

jQuery.fn.dataTableExt.oSort['num-html-asc']  = function(a,b) {
	var x = a.replace( /<.*?>/g, "" );
	var y = b.replace( /<.*?>/g, "" );
	x = (x == "-") ? 0 : x.replace( /,/, "." );
	y = (y == "-") ? 0 : y.replace( /,/, "." );
	x = parseFloat( x );
	y = parseFloat( y );
	return ((x < y) ? -1 : ((x > y) ?  1 : 0));
};

jQuery.fn.dataTableExt.oSort['num-html-desc'] = function(a,b) {
	var x = a.replace( /<.*?>/g, "" );
	var y = b.replace( /<.*?>/g, "" );
	x = (x == "-") ? 0 : x.replace( /,/, "." );
	y = (y == "-") ? 0 : y.replace( /,/, "." );
	x = parseFloat( x );
	y = parseFloat( y );
	return ((x < y) ?  1 : ((x > y) ? -1 : 0));
};

jQuery.fn.dataTableExt.oSort['uk_date-html-asc']  = function(a,b) {
	var ukDatea = a.replace( /<.*?>/g, "" );
	var ukDateb = b.replace( /<.*?>/g, "" );
	ukDatea = ukDatea.split('/');
	ukDateb = ukDateb.split('/');
	
	var x = (ukDatea[2] + ukDatea[1] + ukDatea[0]) * 1;
	var y = (ukDateb[2] + ukDateb[1] + ukDateb[0]) * 1;
	
	if (isNaN(y) || x < y) { return -1; }
	if (isNaN(x) || x > y) { return 1; }
	
	return ((x < y) ? 1 : ((x > y) ?  -1 : 0));
};

jQuery.fn.dataTableExt.oSort['uk_date-html-desc'] = function(a,b) {
	var ukDatea = a.replace( /<.*?>/g, "" );
	var ukDateb = b.replace( /<.*?>/g, "" );
	ukDatea = ukDatea.split('/');
	ukDateb = ukDateb.split('/');
	
	var x = (ukDatea[2] + ukDatea[1] + ukDatea[0]) * 1;
	var y = (ukDateb[2] + ukDateb[1] + ukDateb[0]) * 1;
	
	if (isNaN(x) || x < y) { return 1; }
	if (isNaN(y) || x > y) { return -1; }
	
	return ((x < y) ? -1 : ((x > y) ?  1 : 0));
};

/* Create an array with the values of all the input boxes in a column */
$.fn.dataTableExt.afnSortData['dom-text'] = function  ( oSettings, iColumn )
{
	var aData = [];
	$( 'td:eq('+iColumn+') input', oSettings.oApi._fnGetTrNodes(oSettings) ).each( function () {
		aData.push( this.value );
	} );
	return aData;
}

/* Create an array with the values of all the select options in a column */
$.fn.dataTableExt.afnSortData['dom-select'] = function  ( oSettings, iColumn )
{
	var aData = [];
	$( 'td:eq('+iColumn+') select', oSettings.oApi._fnGetTrNodes(oSettings) ).each( function () {
		aData.push( $(this).val() );
	} );
	return aData;
}

/* Create an array with the values of all the checkboxes in a column */
$.fn.dataTableExt.afnSortData['dom-checkbox'] = function  ( oSettings, iColumn )
{
	var aData = [];
	$( 'td:eq('+iColumn+') input', oSettings.oApi._fnGetTrNodes(oSettings) ).each( function () {
		aData.push( this.checked==true ? "1" : "0" );
	} );
	return aData;
}

/* Retrieve an array with all TR nodes after filtering. Returned in the current sorting order */
$.fn.dataTableExt.oApi.fnGetFilteredNodes = function ( oSettings )
{
	var anRows = [];
	for ( var i=0, iLen=oSettings.aiDisplay.length ; i<iLen ; i++ )
	{
		var nRow = oSettings.aoData[ oSettings.aiDisplay[i] ].nTr;
		anRows.push( nRow );
	}
	return anRows;
};