var active_id = '';
function showpict(obr_id) {
	if ( active_id != '' ) {
		document.getElementById('obr'+active_id).style.display="none";
		document.getElementById('dv'+active_id).style.color="#000";
	}
	document.getElementById('obr'+obr_id).style.display="block";
	document.getElementById('dv'+obr_id).style.color="#A40404";
	active_id = obr_id;
}

var PositionX = 100;
var PositionY = 100;
var defaultWidth  = 500;
var 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=no,menubar=no,toolbar=no,,width='+defaultWidth+',height='+defaultHeight+',left='+PositionX+',top='+PositionY;
var optIE='scrollbars=no,menubar=no,toolbar=no,status=no,width=150,height=100,left='+PositionX+',top='+PositionY;
function popImage(imageURL,imageTitle){
	if (isNN){imgWin=window.open('about:blank','',optNN);}
	if (isIE){imgWin=window.open('about:blank','',optIE);}
	with (imgWin.document){
		writeln('<html><head><title>Loading...</title><style>body{margin:0px;}</style>');
		writeln('<sc'+'ript>');
		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=100-(document.body.clientWidth-document.images[0].width);');
		writeln('height=100-(document.body.clientHeight-document.images[0].height);');
		writeln('window.resizeTo(width+20,height);}'); //tady +20 oprava bugu, kdyz obrazek spatne resizoval
		writeln('if (isNN){');       
		writeln('window.innerWidth=document.images["Im_g"].width;');
		writeln('window.innerHeight=document.images["Im_g"].height;}}');
		writeln('function doTitle(){document.title="'+imageTitle+'";}');
		writeln('</sc'+'ript>');
		if (!AutoClose) writeln('</head><body bgcolor=000000 scroll="no" onload="reSizeToImage();doTitle();self.focus()">')
		else writeln('</head><body bgcolor=000000 scroll="no" onload="reSizeToImage();doTitle();self.focus()" onblur="self.close()">');
		writeln('<img name="Im_g" src='+imageURL.replace(/ /g, '%20')+' style="display:block" title="Zavřít" style="cursor:hand" onclick="javascript:window.close()"></body></html>');
		close();
	}
}

/***********************************************
* Gradual Highlight image script- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/

var baseopacity=60

function slowhigh(which2){
imgobj=which2
browserdetect=which2.filters? "ie" : typeof which2.style.MozOpacity=="string"? "mozilla" : ""
instantset(baseopacity)
highlighting=setInterval("gradualfade(imgobj)",50)
}

function slowlow(which2){
cleartimer()
instantset(baseopacity)
}

function instantset(degree){
if (browserdetect=="mozilla")
imgobj.style.MozOpacity=degree/100
else if (browserdetect=="ie")
imgobj.filters.alpha.opacity=degree
}

function cleartimer(){
if (window.highlighting) clearInterval(highlighting)
}

function gradualfade(cur2){
if (browserdetect=="mozilla" && cur2.style.MozOpacity<1)
cur2.style.MozOpacity=Math.min(parseFloat(cur2.style.MozOpacity)+0.1, 0.99)
else if (browserdetect=="ie" && cur2.filters.alpha.opacity<100)
cur2.filters.alpha.opacity+=10
else if (window.highlighting)
clearInterval(highlighting)
}

