function loadrandom() 
{
preloadImgsLeft();
randomImagesLeft();
preloadImgsright();
randomImagesright();
preloadImgscenter();
randomImagescenter();
}

function swapimage(imgtoswap, newimage)
{
document.getElementById(imgtoswap).src = "images/head/" + newimage;
}

// Comma separated list of images to rotate 
var imgsleft = new Array('head_A_01.gif','head_A_02.gif','head_A_03.gif','head_A_04.gif','head_A_05.gif','head_A_06.gif','head_A_07.gif','head_A_08.gif','head_A_09.gif','head_A_10.gif','head_A_11.gif','head_A_12.gif','head_A_13.gif','head_A_14.gif','head_A_15.gif');
// delay in milliseconds between image swaps 1000 = 1 second 
var delayLeft = 7000;
var counterLeft = 0;
var totalimagesLeft = 15

function preloadImgsLeft(){
  for(var i=0;i<imgsleft.length;i++){
    MM_preloadImages(imgsleft[i]);
  }
}

function randomImagesLeft(){
  if(counterLeft == (imgsleft.length)){
    counterLeft = 0;
  }
  var randomnumber = Math.floor(Math.random()* totalimagesLeft)
  
  swapimage('imgleft', imgsleft[randomnumber]);
  setTimeout('randomImagesLeft()', delayLeft);
}

// Comma separated list of images to rotate 
var imgsright = new Array('head_C_01.gif','head_C_02.gif','head_C_03.gif','head_C_04.gif','head_C_05.gif','head_C_06.gif','head_C_07.gif','head_C_08.gif','head_C_09.gif','head_C_10.gif','head_C_11.gif','head_C_12.gif','head_C_13.gif','head_C_14.gif','head_C_15.gif');
// delay in milliseconds between image swaps 1000 = 1 second 
var delayright = 8000;
var counterright = 0;
var totalimagesright = 15

function preloadImgsright(){
  for(var i=0;i<imgsright.length;i++){
    MM_preloadImages(imgsright[i]);
  }
}

function randomImagesright(){
  if(counterright == (imgsright.length)){
    counterright = 0;
  }
  var randomnumber = Math.floor(Math.random()* totalimagesright)
  
  swapimage('imgright', imgsright[randomnumber]);
  setTimeout('randomImagesright()', delayright);
}

// Comma separated list of images to rotate 
var imgscenter = new Array('head_B_01.gif','head_B_02.gif','head_B_03.gif','head_B_04.gif','head_B_05.gif','head_B_06.gif','head_B_07.gif','head_B_08.gif','head_B_09.gif','head_B_10.gif','head_B_11.gif','head_B_12.gif','head_B_13.gif','head_B_14.gif','head_B_15.gif');
// delay in milliseconds between image swaps 1000 = 1 second 
var delaycenter = 6000;
var countercenter = 0;
var totalimagescenter = 15

function preloadImgscenter(){
  for(var i=0;i<imgscenter.length;i++){
    MM_preloadImages(imgscenter[i]);
  }
}

function randomImagescenter(){
  if(countercenter == (imgscenter.length)){
    countercenter = 0;
  }
  var randomnumber = Math.floor(Math.random()* totalimagescenter)
  
  swapimage('imgcenter', imgscenter[randomnumber]);
  setTimeout('randomImagescenter()', delaycenter);
}



function MM_preloadImages() {
    if (document.images) {
        var imgFiles = MM_preloadImages.arguments;
        if (document.preloadArray == null) {
            document.preloadArray = new Array();
        }
        var i = document.preloadArray.length;
        with (document) {
            for (var j = 0; j < imgFiles.length; j++) {
                if (imgFiles[j].charAt(0) != "#") {
                    document.preloadArray[i] = new Image();
                    document.preloadArray[i++].src = imgFiles[j];
                }
            }
        }
    }
}
 
//function MM_swapImage(x, alt, ) { //v3.0
//  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)/
//   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
//}