diff --git a/process/Email_lib/process.js b/process/Email_lib/process.js
index 837f3b96106fe73e96f95978cb5e74bf5244601c..c1e2613524f614b90b0eeb2bbb60aaaf4ef38f30 100644
--- a/process/Email_lib/process.js
+++ b/process/Email_lib/process.js
@@ -8,6 +8,16 @@ import("system.mail");
 
 function EmailUtils () {}
 
+/**
+ * creates a new E-Mail-Object and ask for a download of a eml where all fields are prefilled
+ * The eml can be open with a mailclient and sent via the mailclient. Each mailclient has a different behaviour:
+ * In Outlook the mail is automatically opened in draft-mode
+ * In Thunderbird the mail is opened in view mode and you've to manually "edit as new"
+ * 
+ * @param {String|Array} pToRecipients mailaddresses of the recipients, can either be a 1D-Array with several addresses or a string with one address
+ * @param {String} pContactId contactId of the sender. the standard mailadress of the contact is used as sender-address
+ * @param {String} [pTemplateId] if a document-template shall be used, give the templateId here
+ */
 EmailUtils.openMailTemplate = function (pToRecipients, pContactId, pTemplateId)
 {
     var email = new Email(pToRecipients);
@@ -18,6 +28,11 @@ EmailUtils.openMailTemplate = function (pToRecipients, pContactId, pTemplateId)
     email.downloadEML();
 }
 
+/**
+ * opens a view where a new mail can be sent. In the view the use CAN select a DocumentTemplate if needed
+ * 
+ * @param {String} pToContactId contactId with contacts to filter the communication-addresses
+ */
 EmailUtils.openNewMail = function (pToContactId)
 {
     var params = {
@@ -153,6 +168,9 @@ Email.prototype.openMail = function ()
     neon.openUrl(this.getMailtoUrl(), false);
 }
 
+/**
+ * ask for a download of the email
+ */
 Email.prototype.downloadEML = function()
 {
     neon.download(util.encodeBase64String(this.getRFCmail(), null), (this.subject || translate.text("Email Template")) + ".eml");