function divShow(id)
{	
	var contentID = "content_"+id.replace("head_","");
	if (document.getElementById(contentID).style.display == "none") {
		document.getElementById(id).className = "active";
		document.getElementById(contentID).style.display="block";
	}
	else {
		document.getElementById(id).className = "";
		document.getElementById(contentID).style.display = "none";
	}

}

var hss = document.getElementsByTagName('h5');
for (var i=0; i<hss.length; i++)
{
	var contentID = "content_"+hss[i].id.replace("head_","");
  hss[i].onclick = function() {divShow(this.id); return false;};
	document.getElementById(contentID).style.display = "none";
//	hs[i].style.name = "inactive";
}