function bookmark(lang) {

	if(lang=="en"){

		var url = "http://www.nubutu.com/?source=fav";
		var title = "Nubutu.com - Free Online Games";

	} else if(lang=="de") {

		var url = "http://www.nubutu.com/pl/?source=fav";
		var title = "Nubutu.com - Kostenlose Online Spiele";

	} else if(lang=="pl") {

		var url = "http://www.nubutu.com/pl/?source=fav";
		var title = "Nubutu.com - Darmowe Gry Online";

	} else {

		var url = "http://www.nubutu.com/?source=fav";
		var title = "Nubutu.com - Free Online Games";

	}

	if (window.sidebar) {

		window.sidebar.addPanel(title, url,"");

	} else if( window.external ) {

		window.external.AddFavorite(url, title);

	} else if(window.opera && window.print) {

		obj.rel = 'sidebar';
		return true;
	}


} 

function zoom_in() {


	var i=document.getElementById('iframe');

	h = i.clientHeight;
	w = i.clientWidth;

	h_percent = Math.round(h/100);
	w_percent = Math.round(w/100);

	new_width = Math.round(w+(w_percent*5));
	new_height = Math.round(h+(h_percent*5));

	if(w<900) {

		i.style.width = new_width+'px';
		i.style.height = new_height+'px';
	
	}
}

function zoom_out() {


	var i=document.getElementById('iframe');

	h = i.clientHeight;
	w = i.clientWidth;

	h_percent = Math.round(h/100);
	w_percent = Math.round(w/100);

	new_width = Math.round(w-(w_percent*5));
	new_height = Math.round(h-(h_percent*5));

	if(w>500) {

		i.style.width = new_width+'px';
		i.style.height = new_height+'px';
	
	}
}