function ChangeImage(){
	imageSmallArray = new Array();
	imageLargeArray = new Array();
	bannerImageSmallCount = 0;
	bannerImageLargeCount = 0;
	path = "http://www.wordsofencouragement.org/images/";
	
	// banner image small array
	imageSmallArray[bannerImageSmallCount++] = "banner_image_small_1.jpg"
	// keep adding banner image small items here...
	
	// banner image large array
	imageLargeArray[bannerImageLargeCount++] = "banner_image_large_2.jpg"
	// keep adding banner image large items here...
	
	incrementSmall = Math.floor(Math.random() * bannerImageSmallCount);
	incrementLarge = Math.floor(Math.random() * bannerImageLargeCount);
	
	// change banner image small
	eval("document.banner_image_small.src = '" + path + imageSmallArray[incrementSmall] + "'");
	
	// change banner image large
	eval("document.banner_image_large.src = '" + path + imageLargeArray[incrementLarge] + "'");
}