diff --git a/chrome/content/fireio.js b/chrome/content/fireio.js
index 76a535d..378e10a 100644
--- a/chrome/content/fireio.js
+++ b/chrome/content/fireio.js
@@ -1,98 +1,102 @@
+/*
+@author David Westgate, Rylan Doherty
+@fileOverview The Input/Output functions of firerecord. Setting Path, creating files, and reading files
+*/
 var io = {
-	openPath : function() {
-
-		const
-		nsIFilePicker = Components.interfaces.nsIFilePicker;
-
-		var fp = Components.classes["@mozilla.org/filepicker;1"]
-				.createInstance(nsIFilePicker);
-		fp.init(window, "Dialog Title", nsIFilePicker.modeOpen);
-		fp.appendFilters(nsIFilePicker.filterAll | nsIFilePicker.filterText);
-		var rv = fp.show();
-		if (rv == nsIFilePicker.returnOK || rv == nsIFilePicker.returnReplace) {
-			var file = fp.file;
-			// Get the path as string. Note that you usually won't
-			// need to work with the string paths.
-			var path = fp.file.path;
-			// work with returned nsILocalFile...
-		}
-		return path;
-	},
-	appendPath : function(path, contents) {
-		alert("appended File");
-		var file1 = Components.classes["@mozilla.org/file/local;1"]
-				.createInstance(Components.interfaces.nsILocalFile);
-		file1.initWithPath(path);
-		// alert("append file nullcheck: "+file1.toString());
-		var foStream = Components.classes["@mozilla.org/network/file-output-stream;1"]
-				.createInstance(Components.interfaces.nsIFileOutputStream);
-		// use 0x02 | 0x10 to open file for appending.
-		foStream.init(file1, 0x02 | 0x10, 438, 0);
-		var converter = Components.classes["@mozilla.org/intl/converter-output-stream;1"]
-				.createInstance(Components.interfaces.nsIConverterOutputStream);
-		converter.init(foStream, "UTF-8", 0, 0);
-		converter.writeString(contents);
-		converter.close();
-	},
-	newPath : function(path) {
-
-		const
-		nsIFilePicker = Components.interfaces.nsIFilePicker;
-
-		var fp = Components.classes["@mozilla.org/filepicker;1"]
-				.createInstance(nsIFilePicker);
-		fp.init(window, "Dialog Title", nsIFilePicker.modeSave);
-		fp.appendFilters(nsIFilePicker.filterAll | nsIFilePicker.filterText);
-
-		var rv = fp.show();
-		if (rv == nsIFilePicker.returnOK || rv == nsIFilePicker.returnReplace) {
-			var file = fp.file;
-			// Get the path as string. Note that you usually won't
-			// need to work with the string paths.
-			var path = fp.file.path;
-			// work with returned nsILocalFile...
-
-		}
-		return path;
-	},
-	createFile : function(path) {
-
-		alert("created File");
-		var file1 = Components.classes["@mozilla.org/file/local;1"]
-				.createInstance(Components.interfaces.nsILocalFile);
-		file1.initWithPath(path);
-
-		var foStream = Components.classes["@mozilla.org/network/file-output-stream;1"]
-				.createInstance(Components.interfaces.nsIFileOutputStream);
-		// use 0x02 | 0x10 to open file for appending.
-		foStream.init(file1, 0x02 | 0x08 | 0x20, 438, 0);
-		var converter = Components.classes["@mozilla.org/intl/converter-output-stream;1"]
-				.createInstance(Components.interfaces.nsIConverterOutputStream);
-		converter.init(foStream, "UTF-8", 0, 0);
-
-		converter.close(); // this closes foStream
-	},
-	getLine : function(path) {
-		// open an input stream from file
-
-		var file = Components.classes["@mozilla.org/file/local;1"]
-				.createInstance(Components.interfaces.nsILocalFile);
-		file.initWithPath(path);
-		var istream = Components.classes["@mozilla.org/network/file-input-stream;1"]
-				.createInstance(Components.interfaces.nsIFileInputStream);
-		istream.init(file, 0x01, 0444, 0);
-		istream.QueryInterface(Components.interfaces.nsILineInputStream);
-
-		// read lines into array
-		var line = {}, lines = [], hasmore;
-		do {
-			hasmore = istream.readLine(line);
-			lines.push(line.value);
-		} while (hasmore);
-
-		istream.close();
-
-		// do something with read data
-		return lines;
-	}
+	/*
+	@description sets the paths of the script  
+	@return path of script selected
+	@see <a href="https://developer.mozilla.org/en-US/docs/XPCOM_Interface_Reference/nsIFilePicker"> Mozilla Developer Network Example </a>
+	*/
+    openPath: function () {
+        const
+        nsIFilePicker = Components.interfaces.nsIFilePicker;
+        var fp = Components.classes["@mozilla.org/filepicker;1"].createInstance(nsIFilePicker);
+        fp.init(window, "Dialog Title", nsIFilePicker.modeOpen);
+        fp.appendFilters(nsIFilePicker.filterAll | nsIFilePicker.filterText);
+        var rv = fp.show();
+        if (rv == nsIFilePicker.returnOK || rv == nsIFilePicker.returnReplace) {
+            var file = fp.file;
+            // Get the path as string. Note that you usually won't
+            // need to work with the string paths.
+            var path = fp.file.path;
+            // work with returned nsILocalFile...
+        }
+        return path;
+    },
+	/*
+	@description appends script by contents of event click
+	@see <a href="https://developer.mozilla.org/en-US/docs/Code_snippets/File_I_O"> Mozilla Developer Network Example </a>
+	*/
+    appendPath: function (path, contents) {
+        alert("appended File");
+        var file = Components.classes["@mozilla.org/file/local;1"].createInstance(Components.interfaces.nsILocalFile);
+        file.initWithPath(path);
+        // alert("append file nullcheck: "+file1.toString());
+        var foStream = Components.classes["@mozilla.org/network/file-output-stream;1"].createInstance(Components.interfaces.nsIFileOutputStream);
+        // use 0x02 | 0x10 to open file for appending.
+        foStream.init(file, 0x02 | 0x10, 438, 0);
+        var converter = Components.classes["@mozilla.org/intl/converter-output-stream;1"].createInstance(Components.interfaces.nsIConverterOutputStream);
+        converter.init(foStream, "UTF-8", 0, 0);
+        converter.writeString(contents);
+        converter.close();
+    },
+	/*
+	@description sets path to address of a new file
+	@return path of new file
+	@see <a href="https://developer.mozilla.org/en-US/docs/XPCOM_Interface_Reference/nsIFilePicker"> Mozilla Developer Network Example </a>
+	*/
+    newPath: function (path) {
+        const
+        nsIFilePicker = Components.interfaces.nsIFilePicker;
+        var fp = Components.classes["@mozilla.org/filepicker;1"].createInstance(nsIFilePicker);
+        fp.init(window, "Dialog Title", nsIFilePicker.modeSave);
+        fp.appendFilters(nsIFilePicker.filterAll | nsIFilePicker.filterText);
+        var rv = fp.show();
+        if (rv == nsIFilePicker.returnOK || rv == nsIFilePicker.returnReplace) {
+            var file = fp.file;
+            // Get the path as string. Note that you usually won't
+            // need to work with the string paths.
+            var path = fp.file.path;
+            // work with returned nsILocalFile...
+        }
+        return path;
+    },
+	/*
+	@description creates new file from path of newPath
+	@see <a href="https://developer.mozilla.org/en-US/docs/Code_snippets/File_I_O"> Mozilla Developer Network Example </a>
+	*/
+    createFile: function (path) {
+        alert("created File");
+        var file = Components.classes["@mozilla.org/file/local;1"].createInstance(Components.interfaces.nsILocalFile);
+        file.initWithPath(path);
+        var foStream = Components.classes["@mozilla.org/network/file-output-stream;1"].createInstance(Components.interfaces.nsIFileOutputStream);
+        // use 0x02 | 0x10 to open file for appending.
+        foStream.init(file, 0x02 | 0x08 | 0x20, 438, 0);
+        var converter = Components.classes["@mozilla.org/intl/converter-output-stream;1"].createInstance(Components.interfaces.nsIConverterOutputStream);
+        converter.init(foStream, "UTF-8", 0, 0);
+        converter.close(); // this closes foStream
+    },
+	/*
+	@description gets an entire script into an array, seperated by lines
+	@return array of lines
+	@see <a href="https://developer.mozilla.org/en-US/docs/Code_snippets/File_I_O"> Mozilla Developer Network Example </a>
+	*/
+    getScript: function (path) {
+        // open an input stream from file
+        var file = Components.classes["@mozilla.org/file/local;1"].createInstance(Components.interfaces.nsILocalFile);
+        file.initWithPath(path);
+        var istream = Components.classes["@mozilla.org/network/file-input-stream;1"].createInstance(Components.interfaces.nsIFileInputStream);
+        istream.init(file, 0x01, 0444, 0);
+        istream.QueryInterface(Components.interfaces.nsILineInputStream);
+        // read lines into array
+        var line = {}, lines = [],
+            hasmore;
+        do {
+            hasmore = istream.readLine(line);
+            lines.push(line.value);
+        } while (hasmore);
+        istream.close();
+        return lines;
+    }
 }