function showElement(topicElement){
  document.getElementById(topicElement).style.display = 'block'
	//alert("showElement "+topicElement);
}

function inlineElement(topicElement){
  document.getElementById(topicElement).style.display = 'inline'
	//alert("inlineElement "+topicElement);
}

function hideElement(topicElement){
  document.getElementById(topicElement).style.display = 'none'
	//alert("hideElement "+topicElement);
}

function showHideElement(topicElement){
	var status = document.getElementById(topicElement).style.display;
	if(status == "none"){
		document.getElementById(topicElement).style.display = 'block'
	}else{
		document.getElementById(topicElement).style.display = 'none'
	}
	//alert("showHideElement "+topicElement);
}