if (!dojo._hasResource["dojox.io.xhrMultiPart"]) { // _hasResource checks added
													// by build. Do not use
													// _hasResource directly in
													// your code.
	dojo._hasResource["dojox.io.xhrMultiPart"] = true;
	dojo.provide("dojox.io.xhrMultiPart");

	dojo.require("dojo._base.xhr");
	dojo.require("dojox.uuid.generateRandomUuid");

	(function() {
		function _createPart(args, boundary) {
			if (!args["name"] && !args["content"]) {
				throw new Error("Each part of a multi-part request requires 'name' and 'content'.");
			}

			var tmp = [];
			tmp.push("--" + boundary, "Content-Disposition: form-data; name=\""
							+ args.name
							+ "\""
							+ (args["filename"] ? "; filename=\""
									+ args.filename + "\"" : ""));

			if (args["contentType"]) {
				var ct = "Content-Type: " + args.contentType;
				if (args["charset"]) {
					ct += "; Charset=" + args.charset;
				}
				tmp.push(ct);
			}

			if (args["contentTransferEncoding"]) {
				tmp.push("Content-Transfer-Encoding: "
						+ args.contentTransferEncoding);
			}

			tmp.push("", args.content);

			return tmp;
		}

		function _needIframe(node) {
			return (!!(dojo.query("input[type=file]", node).length));
		}

		function _partsFromNode(node, boundary) {
			// TODO: write this function!
			var tmp = [];
			return tmp;
		}

		dojox.io.xhrMultiPart = function(args) {
			if (!args["file"] && !args["formNode"]) {
				throw new Error("file or formNode must be provided to dojox.io.xhrMultiPart's arguments");
			}

			// unique guid as a boundary value for multipart posts
			var boundary = dojox.uuid.generateRandomUuid();

			var tmp = [];
			var out = "";

			if (args["file"]) {
				var d = (dojo.isArray(args.file) ? args.file : [args.file]);

				for (var i = 0; i < d.length; i++) {
					tmp = tmp.concat(_createPart(d[i], boundary));
				}
			}

			if (args["formNode"]) {
				tmp = tmp.concat(_partsFromNode(args["formNode"], boundary));
			}

			if (tmp.length) {
				tmp.push("--" + boundary + "--", "");
				out = tmp.join("\r\n");
			}

			return dojo.rawXhrPost(dojo.mixin(args, {
						contentType : "multipart/form-data; boundary="
								+ boundary,
						postData : out
					}));
		}
	})();

}