tell application "Adobe InDesign CS2" 
	set find preferences to nothing 
	set find text of find preferences to "^p^p" 
	set breakHere to search 
	repeat with n from (count breakHere) to 1 by -1 
		set thisFound to item n of breakHere 
		set contents of thisFound to column break 
	end repeat 
end tell 

//ReplaceStringWithColumnBreak.jsx 
 
var mySearchString = "^p^p"; 
 
Object.prototype.isText = function()       
{      
	switch(this.constructor.name)      
	{      
		case "InsertionPoint":      
		case "Character":      
		case "Word":      
		case "TextStyleRange":      
		case "Line":      
		case "Paragraph":      
		case "TextColumn":      
		case "Text":      
		case "TextFrame":      
		return true;      
		default :      
		return false;      
	}      
}    
 
if (app.selection.length > 0) { 
	app.findPreferences = app.changePreferences = null; 
	app.findPreferences.findText = mySearchString; 
	for (m = app.selection.length - 1; m >= 0; m--) { 
		if ((app.selection[m].isText()) && (app.selection[m].contents !="")) { 
			var myResult =  app.selection[m].search(); 
			for (k = myResult.length-1; k >= 0; k--)  
				myResult[k].contents = SpecialCharacters.columnBreak; 
		} 
	} 
} 

var mySearchString = "^p^p"; 

var mySearchString = "^p";