🚀 go-pugleaf

I resolved this. Thanks for all the help. Here is the working code:

var n = 0;
var randomString = new Array();

randomString[n++] = "Hi There 1";
randomString[n++] = "Hi There 2";
randomString[n++] = "Hi There 3";
randomString[n++] = "Hi There 4";
randomString[n++] = "Hi There 5";
randomString[n++] = "Hi There 6";
randomString[n++] = "Hi There 7";

var allThings = app.activeDocument.textFrames;

// This function was given to me by Dirk Becker on the Adobe Forums
TextFrames.prototype.itemWhose = function (f){
	var result = [];
	for( var i=0; i<this.length; i++ ) if( f.apply(this.item(i)) ) result.push(this.item(i)); return result; }

theRandomBoxes = allThings.itemWhose( function() { return this.label=="RandomBox" } );

for (var j=0; j<theRandomBoxes.length; j++){ 	var k = Math.round((n-1)*Math.random()); 	theRandomBoxes[j].contents = randomString[k]; }