if (document.images)
    {
      preload_image_object = new Image();
      // set image url
      image_url = new Array();
      image_url[0] = "images/headerphoto1.jpg";
      image_url[1] = "images/headerphoto2.jpg";
      image_url[2] = "images/headerphoto3.jpg";
      image_url[3] = "images/headerphoto4.jpg";
	  image_url[4] = "images/headerphoto5.jpg";
	  image_url[5] = "images/headerphoto6.jpg";
      image_url[6] = "images/headerphoto7.jpg";
      image_url[7] = "images/headerphoto8.jpg";
      image_url[8] = "images/headerphoto9.jpg";
	  image_url[9] = "images/headerphoto10.jpg";
	  image_url[10] = "images/headerphoto11.jpg";
	  image_url[11] = "images/headerphoto12.jpg";
	  image_url[12] = "images/headerphoto13.jpg";
	  image_url[13] = "images/headerphoto14.jpg";

       var i = 0;
       for(i=0; i<=3; i++) 
         preload_image_object.src = image_url[i];
    }    
  
var currentdate = 0
var core = 0

function StringArray (n) {
  this.length = n;
  for (var i =1; i <= n; i++) {
    this[i] = ' '

  }
}

image = new StringArray(14)
image[0] = 'headerphoto1.jpg'
image[1] = 'headerphoto2.jpg'
image[2] = 'headerphoto3.jpg'
image[3] = 'headerphoto4.jpg'
image[4] = 'headerphoto5.jpg'
image[5] = "headerphoto6.jpg";
image[6] = "headerphoto7.jpg";
image[7] = "headerphoto8.jpg";
image[8] = "headerphoto9.jpg";
image[9] = "headerphoto10.jpg";
image[10] = "headerphoto11.jpg";
image[11] = "headerphoto12.jpg";
image[12] = "headerphoto13.jpg";
image[13] = "headerphoto14.jpg";

var ran = 60/image.length

function ranimage1() {
  currentdate = new Date()
  core = currentdate.getSeconds()
  core = Math.floor(core/ran)
    return(image[core])
}

document.write("<img src='images/" +ranimage1()+ "' title='Title Image'>")