function adjust_bar(ss, id, vari) {
	if (ss.insertRule) {
		ss.insertRule("#" + id + " #barl { background-image: url('../images/barl_" + id + "_" + vari + ".jpg') }", ss.cssRules.length);
		ss.insertRule("#" + id + " #barr { background-image: url('../images/barr_" + id + "_" + vari + ".jpg') }", ss.cssRules.length);
		ss.insertRule("#" + id + " #barx { background-image: url('../images/barr_" + id + "_" + vari + ".jpg') }", ss.cssRules.length);
	} else {
		ss.addRule("#" + id + " #barl", "background-image: url('../images/barl_" + id + "_" + vari + ".jpg')");
		ss.addRule("#" + id + " #barr", "background-image: url('../images/barr_" + id + "_" + vari + ".jpg')");
		ss.addRule("#" + id + " #barx", "background-image: url('../images/barr_" + id + "_" + vari + ".jpg')");
	}	
}


Cufon.replace('h1', { fontFamily: 'Libris', fontWeight: 400, fontStretch: '140%' });
Cufon.replace('h2', { fontFamily: 'Libris', fontWeight: 400, fontStretch: '130%' });
Cufon.replace('h6', { fontFamily: 'Libris', fontWeight: 400, fontStretch: '130%' });
Cufon.set('fontFamily', 'Libris').set('fontWeight', '700').set('fontStretch', '120%').replace('h3').replace('h4').replace('h5');

if (screen.height < 800) {
	var ss = document.styleSheets[0];
	adjust_bar(ss, "lana", "small");
	adjust_bar(ss, "kdojsi", "small");
	adjust_bar(ss, "pneu", "small");
	adjust_bar(ss, "bubli", "small");
	adjust_bar(ss, "letadlo", "small");
	adjust_bar(ss, "el", "small");
	
	if (ss.insertRule) {
		ss.insertRule("body#uvod { background-image: url('../images/uvod_small.jpg') }", ss.cssRules.length);
	} else {
		ss.addRule("body#uvod", "background-image: url('../images/uvod_small.jpg')");
	}	
}

if (screen.height > 1000) {
	var ss = document.styleSheets[0];
	adjust_bar(ss, "lana", "big");
	adjust_bar(ss, "kdojsi", "big");
	adjust_bar(ss, "pneu", "big");
	adjust_bar(ss, "bubli", "big");
	adjust_bar(ss, "letadlo", "big");
	adjust_bar(ss, "el", "big");
}