prev=null;
function repertorio(nomediv){
	var hs=document.getElementById(nomediv);
	if(hs.className!="show")
	{
		hs.className="show";
		if(prev && prev!=hs && prev.className=="show"){
			prev.className = "hide";
		}
		prev = hs;
	}
	else
	{
		hs.className="hide";
	}
}