randomImage(['fb1_small.jpg','fb2_small.jpg','fb3_small.jpg','fb4_small.jpg','fb6_small.jpg','fb7_small.jpg',]);
	function randomImage(imgArr)
	{
		var imgSrc, imgW, imgH, r;
    		r = randomNumber(imgArr.length);
      		imgSrc = imgArr[r];
  		document.write('<IMG SRC=images/'+imgSrc+'>');
  	}