//FormatNamenUmbenennen.jsx 
   
if (app.documents.length == 0) exit(); 
 
var doc = app.activeDocument;   
var no_change = []; 
var new_name = []; 
// ================================== 
new_name['Absatzformat 1'] = 'A1'; 
new_name['Absatzformat 2'] = 'A2'; 
new_name['Absatzformat 3'] = 'A3'; 
new_name['Absatzformat 4'] = 'A4'; 
new_name['Absatzformat 5'] = 'A5'; 
// ================================== 
 
for (var i = 2; i < doc.allParagraphStyles.length; i++)  
{ 
   if (new_name[doc.allParagraphStyles[i].name] != undefined)  
   { 
      if (!doc.allParagraphStyles[i].parent.paragraphStyles.itemByName(new_name[doc.allParagraphStyles[i].name]).isValid) 
         doc.allParagraphStyles[i].name = new_name[doc.allParagraphStyles[i].name]; 
      else 
         no_change.push( get_extpsname(doc.allParagraphStyles[i]) ); 
   } 
}   
 
if (no_change.length > 0) 
   alert('Folgende Absatzformate konnten nicht umbenannt werden:\n' + no_change.join('\n') ); 
 
 
function get_extpsname(ps) 
{ 
   var str = ps.name; 
   var g = ps; 
   while (g.parent.constructor.name == 'ParagraphStyleGroup') 
   { 
      g = g.parent; 
      str = g.name + ':' + str; 
   } 
   return str; 
} 

new_name['Absatzformat 1'] = 'A1';