function high(which,lang) {
	if (which!='lang')
		top.leftFrame.document.images[which].src = "../../gfx/"+lang+"/"+which+"_c.gif";
	else
		top.leftFrame.document.images[which].src = "../../gfx/"+lang+"/"+which+"_b.gif";
}

function draw(which,lang) {
	
	if (which!='none')
		if (which!=top.leftFrame.topic)
			top.leftFrame.document.images[which].src = "../../gfx/"+lang+"/"+which+"_a.gif";
		else
			top.leftFrame.document.images[which].src = "../../gfx/"+lang+"/"+which+"_b.gif";
}

function setTopic(newtopic,lang) {
	oldTopic = top.leftFrame.topic;
	top.leftFrame.topic = newtopic;
	draw(oldTopic,lang);
	draw(newtopic,lang);
}

function switchToLang(newlang) {
		top.leftFrame.location.href = "../"+newlang+"/navi.html";
		top.mainFrame.location.href = "../"+newlang+"/"+top.mainFrame.fileName;
}