/* cycles five different pics as the banner for the BASK web site */

var bannerImg = new Array(
  "res/banner1.jpg",
/*  "res/banner2.jpg",*/
  "res/banner3.jpg",
  "res/banner4.jpg",
  "res/banner5.jpg",
  "res/banner6.jpg",
/*  "res/banner7.jpg",*/
  "res/banner8.jpg",
  "res/banner9.jpg",
  "res/banner10.jpg",
  "res/banner11.jpg",
/*  "res/banner12.jpg",*/
  "res/banner13.jpg"  
  );

var thisBan = 0;
var imgCt = bannerImg.length;
var duration = 6;   

function choosePic(){
	thisBan = Math.floor((Math.random() * imgCt));
	document.getElementById("headerBanner").src = bannerImg[thisBan];
	
	rotate();
	
}

function rotate() {
      thisBan++;
      if (thisBan == imgCt) {
      	thisBan = 0;
     	}
     	document.getElementById("headerBanner").src = bannerImg[thisBan];
     	setTimeout("rotate()", duration*1000);
}

window.onload = choosePic;