Problems with grid

Aii there…

Okay I just make a grid based on array… my problem is how to highlight boxes that contain only character I mean if the box contain character it will gotoAndPlay(2)…eg:


C
CAR
T


here’s the code currently Im using…



var xPos:Number = 10;
var yPos:Number = 10;
var columns:Array = new Array(["*","*","*","*","*"],["*","*","c","*","*"],["*","c","a","r","*"],["*","*","t","*","*"],["*","*","*","*","*"]);
for (var i:Number = 0; i < columns.length; i++) {
    for (var j:Number = 0; j < columns*.length; j++) {
        //if (columns*[j]) {
            var s:MovieClip = this.attachMovie("square", "square" + this.getNextHighestDepth(), this.getNextHighestDepth());
            s._x = xPos;
            s._y = yPos;
            s.lbltxt.text = columns*[j];
        //}
        xPos += 20;
    }
    yPos += 20;
    xPos = 10;
}


Hope someone will give me shed some light…thanks