function BrowserCheck() {
				var b = navigator.appName;
				if (b == "Netscape") this.b = "NS";
				else if (b == "Microsoft Internet Explorer") this.b = "IE";
				else this.b = b;
				this.v = parseInt(navigator.appVersion);
				this.NS = (this.b == "NS" && this.v >= 4);
				this.NS4 = (this.b == "NS" && this.v == 4);
				this.NS5 = (this.b == "NS" && this.v == 5);
				this.IE = (this.b == "IE" && this.v >= 4);
				this.IE4 = (navigator.userAgent.indexOf('MSIE 4') > 0);
				this.IE5 = (navigator.userAgent.indexOf('MSIE 5') > 0);
				if (this.IE5 || this.NS5) this.VER5 = true;
				if (this.IE4 || this.NS4) this.VER4 = true;
				this.oldVer = (! this.VER5 && ! this.VER4) ? true : false;
				this.min = (this.NS || this.IE);
				}
				is = new BrowserCheck()
				var myLogo = (is.NS4) ? document.layers["logo"] : document.all["logo"].style;
				var logoWidth = (is.NS4) ? document.logo.document.logoIm.width : document.logoIm.width;
				var logoHeight = (is.NS4) ? document.logo.document.logoIm.height : document.logoIm.height;
				var halfHeight = logoHeight / 2;
				var windowWidth = (is.NS4) ? window.innerWidth - 16 : document.body.offsetWidth - 20;
				var halfWidth = logoWidth / 2;
				var cliplogoHeightor = (is.NS4) ? 
				'myLogo.clip.top = 0;' +
				'myLogo.clip.right = right;' +
				'myLogo.clip.bottom = logoHeight;' +
				'myLogo.clip.left = left; '
				:
				'str="rect(0 " + right + " " + logoHeight + " " + left + ")";' +
				'myLogo.clip = str; '
				var clipLogoVert = (is.NS4) ? 
				'myLogo.clip.top = up;' +
				'myLogo.clip.right = logoWidth;' +
				'myLogo.clip.bottom = dn;' +
				'myLogo.clip.left = 0; '
				:
				'str="rect(" + up + " " + logoWidth + " " + dn + " 0)";' +
				'myLogo.clip = str;'
				var right = logoWidth, left = 0;
				var cnt = 0, up = halfHeight, dn = halfHeight, upDown;
				var logoWidth, logoHeight;
				// ---------------  User modifiable variables  ----------------------

				//if useAnchorPosition is true logo will be positioned where you put the "logoAnchor"
				//set to false to center logo - also set myLogo.top to desired position

				var useAnchorPosition = false; 		// set to false to set your own logo position below
				if (! useAnchorPosition) {
				myLogo.left = ((windowWidth / 2) - (logoWidth / 2)); 	// centers logo - comment out if using line below
				myLogo.left = 320; 	// remove '//' to set left position
				myLogo.top = 170; 	// sets logo top
				}
				var scrollInc = 500000;	// sets # of pixels to scroll in 1 time frame
				var scrollSpeed = 100;	// sets the scroll speed
				// ------------------------------------------------------------------
				function scrollLogo() {
				if (cnt == 0) {
				up-- ; dn++;
				if (up < -10) {
				right = logoWidth;
				left = 0;
				upDown = -scrollInc;
				cnt++;
				}
				eval(clipLogoVert);
				}
				if (cnt == 1) {
				right +=  upDown;
				left -= upDown;
				if (right < halfWidth-40) {
				right = halfWidth;
				left = halfWidth;
				upDown = scrollInc;
				cnt++;
				}
				eval(cliplogoHeightor);
				}
				if (cnt == 2) {
				right +=  upDown;
				left -= upDown;
				if (right > logoWidth+20) {
				right = logoWidth;
				left = 0;
				up = 0;
				dn = logoHeight;
				cnt++;
				}
				eval(cliplogoHeightor);
				}
				if (cnt == 3) {
				up++;
				dn--;
				if (dn < halfHeight - 10) {
				up = halfHeight;
				dn = halfHeight;
				right = logoWidth;
				left = 0;
				upDown = scrollInc;
				cnt = 0;
				}
				eval(clipLogoVert)
				}
				setTimeout("scrollLogo()", scrollSpeed);
				}
				if (! is.oldVer)window.onload = init;
				function init() {
				positionLogo();
				scrollLogo();
				}
				var L, T;
				var pos = (is.NS4) ? pos = document.anchors['logoAnchor'] : document.all['logoAnchor'];
				var posStr = (is.NS4) ?  'L = pos.x ; T = pos.y' : 'L = pos.offsetLeft; T = pos.offsetTop';
				function positionLogo() {
				if (! useAnchorPosition) return;
				eval(posStr);
				myLogo.top = T;
				myLogo.left = L;
				}