// JavaScript Document

function showtopic(id)
{
	var atual = document.getElementById(id);
	var divs = document.getElementsByTagName('div');
	for (i=0; i < divs.length-1 ;i++)
	{
		if (divs[i].className == 'hidetopics')
		{
			divs[i].style.visibility = 'hidden';
			divs[i].style.position = 'absolute';
		}
	}
	
	atual.style.position = 'relative';
	atual.style.visibility = 'visible';
}