#target illustrator 
var aDoc =app.activeDocument; 
var docname = aDoc.name; 
//alert(docname); 
var myLayer = aDoc.layers.add(); 
var aText = myLayer.textFrames.add();  
aText.textRange.characterAttributes.size = 16; 
aText.textRange.characterAttributes.textFont = textFonts.getByName("MyriadPro-Bold"); 
aText.contents = docname //+"  ("+heute+"   "+jetzt+")";   //---Zusätze werden extra berechnet 
//aText.left = mX;         //---Dateiabhängige Position 
//aText.top = mY;         //---Dateiabhängige Position 

var d = app.documents.firstItem();   
var t = d.textFrames.add({geometricBounds:[10,10,50,50],   contents:cleanupUmlaut(d.name)})   
   
// --------------------------------------------------------------------------------   
//          cleanupUmlaut()   
// --------------------------------------------------------------------------------   
   
function cleanupUmlaut (theString) {    
    var newString = theString   
        .replace( /a\u0308/g, 'ä' )  
        .replace( /o\u0308/g, 'ö' )  
        .replace( /u\u0308/g, 'ü' )   
        .replace( /A\u0308/g, 'Ä' )   
        .replace( /O\u0308/g, 'Ö' )   
        .replace( /U\u0308/g, 'Ü' );    
    return newString;   
} 

decode() 
File.decode (uri) 
uri String. The encoded string to decode. All special characters must be encoded in 
UTF-8 and stored as escaped characters starting with the percent sign followed by 
two hexadecimal digits. For example, the string "my%20file" is decoded as "my 
file". 
Special characters are those with a numeric value greater than 127, except the 
following: 
/ - _ . ! ~ * ' ( ) 
Decodes the specified string as required by RFC 2396. 
Returns the decoded string. 
 
encode() 
File.encode (name) 
name String. The string to encode. 
Encodes the specified string as required by RFC 2396. All special characters are encoded in UTF-8 
and stored as escaped characters starting with the percent sign followed by two hexadecimal digits. 
For example, the string "my file" is encoded as "my%20file". 
Special characters are those with a numeric value greater than 127, except the following: 
/ - _ . ! ~ * ' ( ) 
Returns the encoded string. 

#target Illustrator 
 
var aDoc =app.activeDocument; 
var docname = aDoc.name; 
var myLayer = aDoc.layers.add(); 
myLayer.name = "Beschriftung"; 
var aText = myLayer.textFrames.add(); 
var aSize = 20; 
//var bcdefSize =12; 
 
with (aText) { 
	textRange.characterAttributes.textFont = textFonts.getByName("MyriadPro-Bold"); 
	textRange.characterAttributes.size = aSize; 
	if ( IsMacintoshOS() ) {         	//	alert('kein Windows'); 
		contents = cleanupUmlaut();  //+"  ("+heute+"   "+jetzt+")";   //---Zusaetze werden extra berechnet 
		} else { 
			contents = docname;  //+"  ("+heute+"   "+jetzt+")";   
			} 
		left = mX;         //---Dateiabhaengige Position  
		top = mY;         //---Dateiabhaengige Position  
	} 
// -------------------------------------------------------------------------- 
//			cleanupUmlaut()  
// -------------------------------------------------------------------------- 
function cleanupUmlaut() {   
	dn = docname; 
	dn = dn.replace( /a\u0308/g, '\u00e4' ); //ae 
	dn = dn.replace( /o\u0308/g, '\u00f6' ); //oe 
	dn = dn.replace( /u\u0308/g, '\u00fc' ); //ue 
	dn = dn.replace( /A\u0308/g, '\u00c4' ); //AE 
	dn = dn.replace( /O\u0308/g, '\u00dc' ); //OE   
	dn = dn.replace( /U\u0308/g, '\u00d6' ); //UE 
	return dn; 
} 
// -------------------------------------------------------------------------- 
//			IsMacintoshOs()   Betriebssystemweiche 
// -------------------------------------------------------------------------- 
function IsMacintoshOS() { 
	if ( $.os.search(/macintosh/i) != -1 ) { 
		return true; 
	} else { 
		return false; 
	} 
} 

	dn = dn.replace( /O\u0308/g, '\u00d6' ); //OE    
	dn = dn.replace( /U\u0308/g, '\u00dc' ); //UE