function twirl(image1, image2, twirl, content) {
	var ele = document.getElementById(content);
	var text = document.getElementById(twirl);
	
	if(ele.style.display == "block") {
    		ele.style.display = "none";
		text.innerHTML = "<img style=\"border-style: none\" src=\"" + image1 + "\">";
  	}
	else {
		ele.style.display = "block";
		text.innerHTML = "<img style=\"border-style: none\" src=\"" + image2 + "\">";
	}
}