/*
  Author:  Laura
  Original date: Spring 2002
  Updated: 2/11
*/

var curImage = 0;
var numImages = 4;
var interval = 6.5  //delay between switching images
interval *= 1000;
var pics=new Array();

for(x=0 ;x<numImages;x=x+1)
{
  pics[x]=new Image();
}

/*curImage=Math.round((numImages)*Math.random()-.5);*/

pics[0].src="http://harbourcitysu.org/images/sshow/banner1.jpg";
pics[1].src="http://harbourcitysu.org/images/sshow/banner2.jpg";
pics[2].src="http://harbourcitysu.org/images/sshow/banner3.jpg";
pics[3].src="http://harbourcitysu.org/images/sshow/banner4.jpg";

function randomImage(myImage)
{
   myImage.src=pics[curImage].src;
}

function loop(myImage)
{
   myImage.src=pics[curImage].src;
   setTimeout(nextImage, interval);
   var recursiveCall = "loop('myImage')";
   setTimeout(recursiveCall, interval);
}

/*Display next Image */
function nextImage()
{
   if(curImage == numImages-1)
   {
     curImage = 0;
   }
   else
   {
     curImage = curImage + 1;
   }
   myImage.src=pics[curImage].src;
}

/*Display previous Image */
function prevImage()
{
   if(curImage == 0)
   {
     curImage = numImages-1;
   }
   else
   {
     curImage = curImage - 1;
   }
   document.images[0].src=pics[curImage].src;
}