// Function to  populate an array with banner a fixed set of images. The order of the elements in 
// the array is dynamically determined each time the function is called. 
function populateBannerArray() {
    var arraySize = 8;
    var fadeImages = new Array(arraySize);

    var imageDir = "images";
    var imageBaseName = "hdpic_";

    var float = Math.random();
    var int = float * 10;
    int = Math.round(int);
    
    for(i=0; i<fadeImages.length; i++) {
    	if(int > fadeImages.length || int < 1) {
	    int = 1;
    	}

    	var imageNumber;

    	if(int > 9) {
	    imageNumber = int;
    	} else {
	    imageNumber = "0" + int;
    	}

    	fadeImages[i] = imageDir + "/" + imageBaseName + imageNumber + ".jpg";
    	int++;
    }
    
    return fadeImages;
	
  }