browser = (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 )) || ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 )))

        if (browser) {
                normal = new MakeArray(25)
                over = new MakeArray(25)

                normal[1].src ="/images/inside/optical.jpg";
                normal[2].src ="/images/inside/anneal.jpg";
                normal[3].src ="/images/inside/rough.jpg";
				normal[4].src ="/images/inside/surface.jpg";
				normal[5].src ="/images/inside/edge.jpg";
				normal[6].src ="/images/inside/slicing.jpg";
				normal[7].src ="/images/inside/machining.jpg";
				normal[8].src ="/images/inside/testing.jpg";
				normal[9].src ="/images/inside/flip.jpg";
			
                over[1].src ="/images/inside/optical1.jpg";
                over[2].src ="/images/inside/anneal1.jpg";
                over[3].src ="/images/inside/rough1.jpg";
				over[4].src ="/images/inside/surface1.jpg";
				over[5].src ="/images/inside/edge1.jpg";
				over[6].src ="/images/inside/slicing1.jpg";
				over[7].src ="/images/inside/machining1.jpg";
				over[8].src ="/images/inside/testing1.jpg";
               }
                
    function MakeArray(n) {
                this.length = n
                for (var i = 1; i<=n; i++) {
                        this[i] = new Image()
                }
                return this
        }

        function msover(num) {
                if (browser) { 
                        document.images[num+4].src = over[num].src;
                }
        }

        function msout(num) {
                if (browser) {
                        document.images[num+4].src = normal[num].src;
                }                   
        }