jquery.combinations.1.0.min.js

/*
* jQuery combinations - v1.0 - 29/10/2011
* http://github.com/bigab/jquery/jquery-combinations-plugin/
*
* Copyright (c) 2011 "BigAB" Adam Barrett
* licensed under the MIT license.
* http://bigab.mit-license.org
* 	@author BigAB - Adam Barrett
*/
(function(a){a.combinations=function(a){if(Object.prototype.toString.call(a)!=="[object Array]"){throw new Error("combinations method was passed a non-array argument")}var b=[],c=[],d=a.length?1:0,e=a.length;for(var f=0;f<e;++f){if(Object.prototype.toString.call(a[f])!=="[object Array]"){throw new Error("combinations method was passed a non-array argument")}d=d*a[f].length}for(var g=0;g<d;++g){var h=g,c=[],i=[];for(var j=0;j<e;++j){c[j]=h%a[j].length;h=Math.floor(h/a[j].length)}for(var j=0;j<c.length;++j){i.push(a[j][c[j]])}b.push(i)}return b}})(jQuery)