function init () {
	selection(0);			
}

function selection(index) {
	
	for (n = 0; n < 10; n++) {
		if (n == index) continue;
		text = document.getElementById("text"+n);
		if (text == null) break;
		text.style.visibility = "hidden";
	}
	
	text = document.getElementById("text"+index);
	text.style.visibility = "visible";	
}

init();