\documentclass[ngerman,a4paper]{scrartcl}
\usepackage[T1]{fontenc}
\usepackage{textcomp}
\usepackage{mathptmx}
\usepackage[scaled=.92]{helvet}
\usepackage{courier}
\renewcommand*{\familydefault}{phv}
\usepackage[left=25mm,top=25mm,bottom=10mm,right=10mm]{geometry}
\usepackage{fancyhdr}
\lhead{ABC, Inc.}\chead{}\rhead{XYZ Dept.}
\lfoot{}\cfoot{}\rfoot{}
\pagestyle{fancy}
\usepackage{graphicx}
\usepackage{color}
\usepackage[
  pdftex,a4paper=true,colorlinks=true,
  pdftitle={Key form},pdfsubject={Key},
  pdfauthor={ich},
  pdfpagemode=UseNone,pdfstartview=FitH,
  pagebackref,pdfhighlight={/N}
]{hyperref}
\usepackage[pdftex]{insdljs}
\immediate\pdfobj {
<<
  /WP << /S /JavaScript /JS (willPrint();) >>
  /DP << /S /JavaScript /JS (didPrint();) >>
>>
}
\pdfcatalog{/AA \the\pdflastobj\space 0 R}
\begin{insDLJS}[exaaae]{exaaae}{Document Level JavaScript}

// indicate that the function was not yet run
var done = 0;

function colorsPrinting()
{
  this.getField("vorname").fillColor = color.white;
  this.getField("name").fillColor = color.white;
  this.getField("abt").fillColor = color.white;
  this.getField("zeit").fillColor = color.white;
  this.getField("from").fillColor = color.white;
  this.getField("until").fillColor = color.white;
  this.getField("ht").fillColor = color.white;
  this.getField("e1").fillColor = color.white;
  this.getField("e2").fillColor = color.white;

  this.getField("vorname").strokeColor = color.black;
  this.getField("name").strokeColor = color.black;
  this.getField("abt").strokeColor = color.black;
  this.getField("zeit").strokeColor = color.black;
  this.getField("from").strokeColor = color.black;
  this.getField("until").strokeColor = color.black;
  this.getField("ht").strokeColor = color.black;
  this.getField("e1").strokeColor = color.black;
  this.getField("e2").strokeColor = color.black;

  this.getField("vorname").textFont = font.Helv;
  this.getField("name").textFont = font.Helv;
  this.getField("abt").textFont = font.Helv;
  this.getField("zeit").textFont = font.Helv;
  this.getField("from").textFont = font.Helv;
  this.getField("until").textFont = font.Helv;
  this.getField("from").textColor = color.black;
  this.getField("until").textColor = color.black;
}

function colorsScreen()
{

  var newcolor = [ "RGB", 0.65, 0.79, 0.94];
  this.getField("vorname").fillColor = newcolor;
  this.getField("name").fillColor = newcolor;
  this.getField("abt").fillColor = newcolor;
  this.getField("zeit").fillColor = newcolor;
  this.getField("from").fillColor = newcolor;
  this.getField("until").fillColor = newcolor;
  this.getField("ht").fillColor = newcolor;
  this.getField("e1").fillColor = newcolor;
  this.getField("e2").fillColor = newcolor;

  this.getField("vorname").strokeColor = newcolor;
  this.getField("name").strokeColor = newcolor;
  this.getField("abt").strokeColor = newcolor;
  this.getField("zeit").strokeColor = newcolor;
  this.getField("from").strokeColor = newcolor;
  this.getField("until").strokeColor = newcolor;
  this.getField("ht").strokeColor = newcolor;
  this.getField("e1").strokeColor = newcolor;
  this.getField("e2").strokeColor = newcolor;

  this.getField("vorname").textFont = font.HelvB;
  this.getField("name").textFont = font.HelvB;
  this.getField("abt").textFont = font.HelvB;
  this.getField("zeit").textFont = font.HelvB;
  this.getField("from").textFont = font.HelvB;
  this.getField("from").textColor = color.black;
  this.getField("until").textColor = color.black;
  this.getField("until").textFont = font.HelvB;
}

function validateTime()
{
  this.delay = true;
  if((event.value == "u") || (event.value == "unlimited")) {
    this.getField("from").display = display.hidden;
    this.getField("until").display = display.hidden;
  } else {
    this.getField("from").display = display.visible;
    this.getField("until").display = display.visible;
    this.getField("from").setFocus();
  }
  this.delay = false;
}

function willPrint()
{
  this.delay = true;
  colorsPrinting();
  this.delay = false;
}

function didPrint()
{
  this.delay = true;
  colorsScreen();
  this.delay = false;
}

// function to run when opening the document
function myFirstJavaScriptFunction()
{
  if(!done) {
    done = 1;
    this.delay = true;
    colorsScreen();
    this.getField("abt").currentValueIndices = 0;
    this.getField("abt").editable = true;
    this.getField("zeit").currentValueIndices = 0;
    this.getField("vorname").setFocus();
    this.getField("vorname").userName = "Please enter your surname here.";
    this.getField("name").userName = "Please enter your name here.";
    this.getField("abt").userName = "Please select your department. If your department is not yet listed, enter the department name manually.";
    this.getField("zeit").userName = "Please chose whether to obtain the key for a limited or unlimited time.";
    this.getField("from").userName = "Please enter the start date here.";
    this.getField("until").userName = "Please enter the end date here.";
    this.getField("ht").userName = "Please activate this checkbox to obtain a key opening the front door.";
    this.getField("e1").userName = "Please activate this checkbox to obtain a key opening the ground floor.";
    this.getField("e2").userName = "Please activate this checkbox to obtain a  key opening the first floor.";
    this.delay = false;
  }
}
\end{insDLJS}
\OpenAction{/S /JavaScript /JS (myFirstJavaScriptFunction();)}
\newcommand{\textforlabel}[2]{%
\TextField[name={#1},value={#2},width=7em,align=2,%
bordercolor={1 1 1},readonly=true]{}%
}
\begin{document}
\section*{Request for a key}
\begin{Form}
\begin{tabular}{|rl|}
\hline
&\\*[-0.9em]\multicolumn{2}{|c|}{\textbf{Employee}}\\
&\\*[-0.9em]\textforlabel{vn}{First name:}&%
\TextField[name=vorname,width=20em,%
bordercolor={0.65 0.79 0.94}]{}\\
&\\*[-0.9em]\textforlabel{nn}{Name:}&%
\TextField[name=name,width=20em,%
bordercolor={0.65 0.79 0.94}]{}\\
&\\*[-0.9em]\textforlabel{ab}{Department:}&%
\ChoiceMenu[name=abt,width=20em,popdown=true,combo=true,value=v,%
bordercolor={0.65 0.79 0.94}]{}{%
Sales=v,Production=f,Service=s}\\
&\\*[-0.9em]\hline
&\\*[-0.9em]\multicolumn{2}{|c|}{\textbf{Time}}\\
&\\*[-0.9em]\textforlabel{z}{Time:}&%
\ChoiceMenu[name=zeit,width=20em,popdown=true,value=u,%
validate={validateTime();},%
bordercolor={0.65 0.79 0.94}]{}{%
unlimited=u,limited=b}\\
&\\*[-0.9em]\textforlabel{v}{from:}&%
\TextField[name=from,width=10em,%
bordercolor={0.65 0.79 0.94}]{}\\
&\\*[-0.9em]\textforlabel{b}{until:}&%
\TextField[name=until,width=10em,%
bordercolor={0.65 0.79 0.94}]{}\\
&\\*[-0.9em]\hline
&\\*[-0.9em]\multicolumn{2}{|c|}{%
\textbf{Doors}}\\
&\\*[-0.9em]\textforlabel{th}{Front door:}&%
\CheckBox[name=ht,width=1.2em,%
bordercolor={0.65 0.79 0.94}]{}\\
&\\*[-0.9em]\textforlabel{t1}{Ground floor:}&%
\CheckBox[name=e1,width=1.2em,%
bordercolor={0.65 0.79 0.94}]{}\\
&\\*[-0.9em]\textforlabel{t2}{First floor:}&%
\CheckBox[name=e2,width=1.2em,%
bordercolor={0.65 0.79 0.94}]{}\\
&\\
\hline
\end{tabular}
\end{Form}
\end{document}