I've created an radiogram form, which can be downloaded here. Let me know if you think this form is useful and if you would like to have anything changed. You may also use this thread if you run into any problems.
Screenshots show German HTML forms. If you use another language at your PC the text will be displayed in english.
Screenshots: Download: Version 1.17:
*) Added Select Field for Date/Time either in Local Time (Default) or Zulu Time
Version 1.16:
*) fixed bug where a starting X in a word was converted into "."
*) changed punctuation "." to be converted into "DOT"
Version 1.15:
*) added support for automatic Number Count for each different Email-Recipient
*) Double click at number field to increase number
*) Double click at text "Number:" to reset Number
*) Cookies must be enabled!
*) Does work for Firefox, Internet Explorer, Opera. NOT for Chrome Browsers.
Version 1.14:
*) added Checkbox for P2P message
Version 1.13:
*) changed DateTime to Zulu (UTC)
*) Added Subjectline to be displayed in the HTML form
Version 1.12:
*) Added support for ARRL compatible Subject line (you may choose between ARRL and WL2K compatibel)
*) added more functionality to converting punctuation (COMMA, EXCLAMATION, X, etc.)
Version 1.11:
*) getting To: and Message-Text from RMS-Express into the HTML form (e.g.in case of reply) - needs RMS Express 1.2.36.5 or later
Version 1.10: Thank you to Greg, G0DUB for his feedback!
*) added correct precedence indicator (O/ P/ R/) depending on choosen priority in html form
*) punctuation "," and "." can be automaticaly replaced with "COMMA" and "X" if needed. Click the new checkbox above the submit btn.
Version 1.09: (Support for different colors depending on priority, Languages DE and EN supported)
If you want to use the ARRL compatible subject line, please disable the "Add //WL2K to the subject line" in the RMS Express Preferences!
See picture below: Installation:
Unzip the Files into your [CALLSIGN]/Forms subdirectory within your RMS Express directory. Choose the "Radiogram_INPUT.txt" File as your Template within RMS Express. Additional help can be found in the RMS Express Help file

Notice: Be sure to start RMS Express as administrator, otherwise you'll receive an error message after selecting the template file. (At least in RMS Express Version 1.2.36.2)
If you need an Radiogram, optimized for printing, please have a look at this: http://www.oe3xec.at/phpBB3/viewtopic.php?f=9&t=31. This version is available only in german right now. Let me know if you're interested in another language.73 de Wolfgang
OE3VRW