var slideimages = new Array(

"http://www.udel.edu/csg/corin/rotc/slideshows/cwst_images/test_01.gif",
"http://www.udel.edu/csg/corin/rotc/slideshows/cwst_images/test_02.gif",
"http://www.udel.edu/csg/corin/rotc/slideshows/cwst_images/test_03.gif",
"http://www.udel.edu/csg/corin/rotc/slideshows/cwst_images/test_04.gif")

 var loader = new Array();
 for(var i = 0; i < slideimages.length; i++){
 loader[i] = new Image();
 loader[i].src = slideimages[i];
 }
 
 var f=10
 var b=0
 var n = 0
 var l = slideimages.length-1
 var t = 40
 var c=1
 
 function nextSlide() {
 resetValues()
 if (n == l){
 n = 0
 }
 else{
 n = ++n
 }
 document.getElementById("backimage").src=slideimages[n];
 fadeImage();
 }
 
 function previousSlide() {
 resetValues()
 if (n == 0){
 n = l
 }
 else{
 n = --n
 }
 document.getElementById("backimage").src=slideimages[n];
 fadeImage();
 }
 
 function resetValues() {
 f=10
 b=0
 }
 
 function fadeImage() {
 if (f==0){
 document.getElementById("frontimage").src=slideimages[n];
 document.getElementById("frontimage").className="fadeimage10";
 document.getElementById("backimage").className="fadeimage0";
 c = 1 + n
 document.getElementById("slidenumber").innerHTML="" + c + " of " + slideimages.length;
 }
 else{
 document.getElementById("frontimage").className="fadeimage" + f;
 document.getElementById("backimage").className="fadeimage" + b;
 f = --f
 b = ++b
 window.setTimeout ("fadeImage()", t);
 }
 }