// JavaScript Document
				<!-- beginning of script

				var image1=new Image()
				image1.src="../images/m109_howitzer.jpg"
				
				var image2=new Image()
				image2.src="../images/howitzer2.jpg"
				
				var image3=new Image()
				image3.src="../images/march06031.jpg"
				
				var image4=new Image()
				image4.src="../images/3-21-06021.jpg"
				
				var lastImage = 4; <!-- Total number of images in the array -->


				var currentImage = 1;


				function next() {
					if (currentImage <lastImage) {
						currentImage++;
						document.images.show.src =
				eval("image"+currentImage+".src");
					} else {
						currentImage = 1;
						document.images.show.src =
				eval("image"+currentImage+".src");
					}
				}


				function previous() {
					if (currentImage> 1) {
						currentImage--;
						document.images.show.src =
				eval("image"+currentImage+".src");
					} else {
						currentImage = lastImage;
						document.images.show.src =
				eval("image"+currentImage+".src");
					}
				}

				//  end of script -->