var _dok = app.documents[0];  
var allStories = _dok.stories.everyItem().getElements();  
var _schriftart = "[Verdana] [Regular]" 
for(var i=0;i<allStories.length;i++)  
{  
	var textContainers = allStories[i].textContainers;  
  
	for(var j=0;j<textContainers.length;j++)  
	{  
		if(textContainers[j].characters[0].appliedFont == _schriftart) 
		{  
			// Rotate the text container:  
			textContainers[j].rotationAngle = 30;  
		};  
	};  
};