var arr = Array;
arr[1] = new Array(157, 158, 159);
arr[2] = new Array(157, 158, 159);
arr[3] = new Array(164, 165, 166);
arr[4] = new Array(164, 165, 166);

function showdetail(i, o) {
	var obj;
	if (arr[i]) {
		if (obj = document.getElementById("block-nodeasblock-"+arr[i][0])) obj.style.display = "block";
		if (obj = document.getElementById("block-nodeasblock-"+arr[i][1])) obj.style.display = "block";
		if (obj = document.getElementById("block-nodeasblock-"+arr[i][2])) obj.style.display = "block";
		o.style.display = 'none';
	}
}