// JavaScript Document

function mangle() {
  	if (!document.getElementsByTagName && !document.createElement &&
  		!document.createTextNode) return;
  	var nodes = document.getElementsByTagName("span");
  	for(var i=nodes.length-1;i>=0;i--) {
  		if (nodes[i].className=="change") {
  			var at = / at /;
  			var dot = / dot /g;
  			var node = document.createElement("a");
  			var address = nodes[i].firstChild.nodeValue;
  
  			address = address.replace(at, "@");
  			address = address.replace(dot, ".");
  
  			address = address.replace(at, "@");
  			address = address.replace(dot, ".");
  			node.setAttribute("href", "mailto:"+address);
  			node.appendChild(document.createTextNode(address));
  			
  			var prnt = nodes[i].parentNode;
  			for(var j=0;j<prnt.childNodes.length;j++)
  				if (prnt.childNodes[j] == nodes[i]) {
  					if (!prnt.replaceChild) return;
  					prnt.replaceChild(node, prnt.childNodes[j]);
  					break;
  				}
  		}
  	}
  }