jQuery.fn.dataTableExt.aTypes.push( function ( sData )
{
	sData = typeof sData.replace == 'function' ?
		sData.replace( /<.*?>/g, "" ) : sData;
	
	var sValidFirstChars = "0123456789-";
	var sValidChars = "0123456789.";
	var Char;
	var bDecimal = false;
	
	/* Check for a valid first char (no period and allow negatives) */
	Char = sData.charAt(0); 
	if (sValidFirstChars.indexOf(Char) == -1) 
	{
		return null;
	}
	
	/* Check all the other characters are valid */
	for ( var i=1 ; i<sData.length ; i++ ) 
	{
		Char = sData.charAt(i); 
		if (sValidChars.indexOf(Char) == -1) 
		{
			return null;
		}
		
		/* Only allowed one decimal place... */
		if ( Char == "." )
		{
			if ( bDecimal )
			{
				return null;
			}
			bDecimal = true;
		}
	}
	
	return 'num-html';
} );

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

function trim(str) {
	str = str.replace(/^\s+/, '');
	for (var i = str.length - 1; i >= 0; i--) {
		if (/\S/.test(str.charAt(i))) {
			str = str.substring(0, i + 1);
			break;
		}
	}
	return str;
}

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.aTypes.push(
	function(sData){
		if (sData.match(/^(0[1-9]|[12][0-9]|3[01])\/(0[1-9]|1[012])\/(19|20)\d\d$/)){
			return 'date_eu';
		}
		return null;
	} 
);

jQuery.fn.dataTableExt.oSort['date_eu-asc']  = function(a,b){
	var ukDatea = a.split('/');
	var ukDateb = b.split('/');

	var x = (ukDatea[2] + ukDatea[1] + ukDatea[0]);
	var y = (ukDateb[2] + ukDateb[1] + ukDateb[0]);

	return ((x < y) ? -1 : ((x > y) ?  1 : 0));
};

jQuery.fn.dataTableExt.oSort['date_eu-desc'] = function(a,b) {
	var ukDatea = a.split('/');
	var ukDateb = b.split('/');

	var x = (ukDatea[2] + ukDatea[1] + ukDatea[0]);
	var y = (ukDateb[2] + ukDateb[1] + ukDateb[0]);

	return ((x < y) ? 1 : ((x > y) ?  -1 : 0));
};