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

	if ( browser) {
		normal = new MakeArray(1)
		over = new MakeArray(1)
		blurb = new MakeArray(2)
		
		normal[1].src = "images/bulb1.gif"
				
		over[1].src = "images/bulb2.gif"

		blurb[1] = ". . . . . . . . . . Let There Be BLURT"
		blurb[2] = ""		
		}
		
      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].src = over[num].src
				window.status = blurb[num]
				
			}
		}

	function msout(num) {
			if ( browser) {
	                  		document.images[num].src = normal[num].src
	                  		window.status = blurb[2]
			}	            
		}