case "base62":
				var chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz".split('');
				return code.replace(/(\d{1,2})/g,function($0, d){
					return chars[d] ? chars[d] : d;
				});				
			break;
			case "d_base62":
				var chars = {0:0,1:1,2:2,3:3,4:4,5:5,6:6,7:7,8:8,9:9,A:10,B:11,C:12,D:13,E:14,F:15,G:16,H:17,I:18,J:19,K:20,L:21,M:22,N:23,O:24,P:25,Q:26,R:27,S:28,T:29,U:30,V:31,W:32,X:33,Y:34,Z:35,a:36,b:37,c:38,d:39,e:40,f:41,g:42,h:43,i:44,j:45,k:46,l:47,m:48,n:49,o:50,p:51,q:52,r:53,s:54,t:55,u:56,v:57,w:58,x:59,y:60,z:61};
				return code.replace(/(\w)/g,function($0, c){
					return chars[c] ? chars[c] : c;
				});
			break;