function setup(){
  interval = 4500;
 random_display = 0;
  imageDir = "content/images/";
 
  imageNum = 0;
  descNum = 0;
 
 imageArray = new Array();
 descArray = new Array();
var intro = '<p align="center"><font color="#FFFFFF">This is were you will see information on the selected offender. The location of level 3 offenders are represented by a red dot on the map below. Please select a location for information on the offender. Also below the picture click on the previous or next links to cycle through all the offenders living in the 14445 area.</font></p>'
var simon = '<br><center><font color="#FFFFFF" size="5">Karl J. Simon<p></font><font color="FF0000" size="5">A level 1 sex offender living in the:</font><br><br><font color="#FFFFFF">14445 Zip Code Area<br><br>Birth Date 04-26-63 <br> Height: 5\'10" Weight 220lbs<br> Brown hair & eyes</font>';
var hanf = '<br><center><font color="#FFFFFF" size="5">Richard Hanf</font><p><font color="FF0000" size="5">A level 3 sex offender living at:</font><br><br><font color="#FFFFFF">208 East Maple Ave<br>East Rochester, NY 14445<br><br>Birth Date 01-03-74 <br> Height: 5\'8" Weight: 170lbs<br>Blond hair, Blue eyes</font>';
var felong = '<br><center><font color="#FFFFFF" size="5">Duane Felong</font><p><font color="FF0000" size="5">A level 2 sex offender living in the: </font><br><br><font color="#FFFFFF">14445 Zip Code Area<br><br>Birth Date 05-30-64 <br> Height:5\'10" Weight: 215lbs<br> Brown hair & eyes</font>';
var lamere = '<br><center><font color="#FFFFFF" size="5">Russell Lamere</font><p><font color="FF0000" size="5">A level 2 sex offender living in the: </font><br><br><font color="#FFFFFF">14445 Zip Code Area<br><br>Birth Date 04-02-68 <br> Height:5\'5"  Weight: 197lbs.<br> Brown hair, Hazel eyes</font>';



 imageArray[imageNum++] = new imageItem(imageDir + "noimage.gif");
 
 imageArray[imageNum++] = new imageItem(imageDir + "hanf.jpg");
 imageArray[imageNum++] = new imageItem(imageDir + "felong.jpg");
 imageArray[imageNum++] = new imageItem(imageDir + "lamere.jpg");
 imageArray[imageNum++] = new imageItem(imageDir + "simon.jpg");
 

 descArray[descNum++] = intro;
 descArray[descNum++] = hanf;
 descArray[descNum++] = felong;
 descArray[descNum++] = lamere;
 descArray[descNum++] = simon;
  
 
 
 totalImages = imageArray.length;
 show_this_image(0);
}
 function imageItem(image_location) {
 this.image_item = new Image();
 this.image_item.src = image_location;
 }

 
 function get_ImageItemLocation(imageObj) {
 return(imageObj.image_item.src)
 }
 
 function randNum(x, y) {
 var range = y - x + 1;
 return Math.floor(Math.random() * range) + x;
 }
 
 function show_this_image (shimgnum) { 
  var new_image = get_ImageItemLocation(imageArray[shimgnum]);
  
  document.getElementById('slideImage').src = new_image; 
  document.getElementById('info').innerHTML = descArray[shimgnum];
 }
 function getNextImage() {
 if (random_display) {
 imageNum = randNum(0, totalImages-1);
 }
 else {
 imageNum = (imageNum+1) % totalImages;
 }
 
  var new_image = get_ImageItemLocation(imageArray[imageNum]);
  
  document.getElementById('info').innerHTML = descArray[imageNum];
 return(new_image);
 }
 
  function getPrevImage() {
	  
 
 imageNum = (imageNum-1) % totalImages;
 
 var new_image = get_ImageItemLocation(imageArray[imageNum]);
 
 document.getElementById('info').innerHTML = descArray[imageNum];
 return(new_image);
 } 

function prevImage(place) {
 var new_image = getPrevImage();
 document[place].src = new_image;
 }
 
  function switchImage(place) {
 var new_image = getNextImage();
 document[place].src = new_image;
 var recur_call = "switchImage('"+place+"')";
 if ((imageNum + 1) == totalImages) {
	 clearTimeout(timerID)
 }
 else
  timerID = setTimeout(recur_call, interval);
  }