if (document.getElementById){
  	document.write('<style type="text/css">\n')
  	document.write('.answer{display: none;}\n')
  	document.write('</style>\n')
  	}

	function Tog(obj){
		if(document.getElementById){
		var el = document.getElementById(obj);
		var ar = document.getElementById("mdiv").getElementsByTagName("span");
			if(el.style.display != "block"){
				el.style.display = "block";
			}else{
				el.style.display = "none";
	}}}

	function ShowAll(showme){
		if(document.getElementById){
			var ar = document.getElementById("mdiv").getElementsByTagName("span");
			for (var i=0; i<ar.length; i++){
				if (ar[i].className=="answer"){
					if (showme) {
						ar[i].style.display = "block";
						}
					else {
						ar[i].style.display = "none";
					}}
				}
	}}