var faq = document.getElementById("faq");
var dl = faq.getElementsByTagName("dl");
for(var i=0;i<dl.length;i++)
{
	var dd = dl[i].getElementsByTagName("dd");
	for(var j=0;j<dd.length;j++)
	{
		var div = dd[j].getElementsByTagName("div")[0];
		div.onclick = function(){			
			if(this.parentNode.className == "exp")
			{
				this.parentNode.className = "";
			}else{
				this.parentNode.className = "exp";
			}
			this.blur();
		}
	}
}