function linkki(a) {
	if (a.indexOf("http") == 0) {
		var newWindow = window.open(a, '_blank');
		newWindow.focus();
		return false;
	}
	else document.location.href = a;
}

function nayta(a,b) {
	if (b) {
		document.getElementById(a).style.visibility = "visible";
	}
	else {
		document.getElementById(a).style.visibility = "hidden";
	}
	dimmi(b);
	return true;
}

function dimmi(a) {
	if (a) {
		document.getElementById('dim').style.visibility = "visible";
		document.getElementById('dim').style.height = document.body.offsetHeight + "px";
	}
	else {
		document.getElementById('dim').style.visibility = "hidden";
		document.getElementById('dim').style.height = 0;
	}
}

function naytaVideo(b) {
	a1 = "kompostivideo";
	a2 = "kompostivideo_sulje";
	if (b) {
		document.getElementById(a1).style.visibility = "visible";
		document.getElementById(a2).style.visibility = "visible";
	}
	else {
		document.getElementById(a1).style.visibility = "hidden";
		document.getElementById(a2).style.visibility = "hidden";
	}
	dimmi(b);
	return true;
}