function fon(n){document.images[n].src='grafika/'+n+'1.gif';}
function foff(n){document.images[n].src='grafika/'+n+'.gif';}

//funkcja do wyswietlania popupu
var okno_pop='';
function popup(wi,he,uerel,alignx,aligny,scrol)
{
	// Bartosz Szczecinski
	// 20.04.2006
	// Opera 8.x nie obsluguje !okno_pop.closed
	if(okno_pop && okno_pop.closed==false) {
		okno_pop.close()
	}
	if(wi=='100%'){wi=screen.availWidth-30}
	if(he=='100%'){he=screen.availHeight-0}
	if(alignx=='left'){xx=0}
	else if(alignx=='right'){xx=(screen.availWidth-wi)-10}
	else{xx=(screen.availWidth-wi)/2}
	if(aligny=='top'){yy=0}
	else if(aligny=='bottom'){yy=(screen.availHeight-he)}
	else{yy=(screen.availHeight-he)/2}
	okno_pop=window.open(uerel, '_blank', 'scrollbars='+scrol+',height='+he+',width='+wi+',top='+yy+',left='+xx);
}

function popupFrame(wi, he, url, alignX, alignY, scroll) {
	popup(wi, he, 'popup.php?popupFile='+url.replace(/\?/, '&'), alignX, alignY, scroll);
}

function externalLinks() 
{
	if (!document.getElementsByTagName) return;
	var anchors = document.getElementsByTagName("a");
	for (var i=0; i<anchors.length; i++) {
		var anchor = anchors[i];
		if (anchor.getAttribute("href") && anchor.getAttribute("class") == "target_blank")
			anchor.target = "_blank";
	}
}