// JavaScript Document

function hide(id) {
	document.getElementById('feature_' + id).style.display = "none";
}

function show(id) {
	hideall();
	document.getElementById('feature_' + id).style.display = "inline";	
}

function hideall() {
	var i = 1;
	var moreFeatures = true;
	
	while(moreFeatures == true && i < 500) {
		var feature = document.getElementById("feature_" + i);
		if(feature != null) {
			moreFeatures = true;
			hide(i);
		} else {
			moreFeatures = false;	
		}
		i++;
	}
	
}