function collapse(sObj){
	var sRef = sObj.parentNode.nextSibling;
	while (sRef.nodeType != 1){
		sRef = sRef.nextSibling;
	}
		
	if (sRef.className == "hide")
	{
		sObj.innerHTML = "Hide";
		sRef.className = "show";
	} else {
		sObj.innerHTML = "Show";
		sRef.className = "hide";
	}
}