PositionX = 150;
PositionY = 80;

defaultWidth = 500;
defaultHeight = 500;

var AutoClose = true;

if (parseInt(navigator.appVersion.charAt(0))>=4){
	var isNN=(navigator.appName=="Netscape")?1:0;
	var isIE=(navigator.appName.indexOf("Microsoft")!=-1)?1:0;}
	var optNN='scrollbars=auto,width='+defaultWidth+',height='+defaultHeight+',left='+PositionX+',top='+PositionY;
	var optIE='scrollbars=auto,width=150px,height=100px,left='+PositionX+',top='+PositionY;
		function abre(imageURL){
		if (isNN){imgWin=window.open('about:blank','',optNN);}
		if (isIE){imgWin=window.open('about:blank','',optIE);}
		with (imgWin.document){
			writeln('<html><head><title>Ampliação</title><style>body{margin:0px;}</style>');
			writeln('<script>');
			writeln('var isNN,isIE;');
			writeln('if (parseInt(navigator.appVersion.charAt(0))>=4){');
			writeln('isNN=(navigator.appName=="Netscape")?1:0;');
			writeln('isIE=(navigator.appName.indexOf("Microsoft")!=-1)?1:0;}');
			writeln('function reSizeToImage(){');
			writeln('if (isIE){');
			writeln('window.resizeTo(100,100);');
			writeln('width=250-(document.body.clientWidth-document.images[0].width);');
			writeln('height=100-(document.body.clientHeight-document.images[0].height);');
			writeln('window.resizeTo(width,height);}');
			writeln('if (isNN){');
			writeln('window.innerWidth=document.images["George"].width;');
			writeln('window.innerHeight=document.images["George"].height;}}');
			writeln('</script>');
				if (!AutoClose) 
				writeln('</head><body bgcolor=FFFFFF scroll="no" onload="reSizeToImage();self.focus()">')
				else 
				writeln('</head><body bgcolor=FFFFFF scroll="no" onload="reSizeToImage();self.focus()" onblur="self.close()">');
				writeln('<img name="George" src='+imageURL+'></body></html>');
		close();
	}
}