TableKit.Sortable.addSortType(
	new TableKit.Sortable.Type('date-fi',{
		pattern : /^\d{2}\.\d{2}\.\d{4}/i,
		normal : function(v) {
			if(!this.pattern.test(v)) {return 0;}
			var r = v.match(/^(\d{2})\.(\d{2})\.(\d{4})/);
			var yr_num = r[3];
			var mo_num = parseInt(r[2],10)-1;
			var day_num = r[1];
			return new Date(yr_num, mo_num, day_num).valueOf();
		}}
	)
);