function nodeText(node)
{
var temp="";
if(node.nodeValue!=null){temp=node.nodeValue;}
else{temp="nodeValue: null";}
return temp;
}
function addAnchor(a,b){
var parentElement=document.getElementById(a);
var currentElement=document.getElementById(b);
var firstText=nodeText(currentElement.firstChild);
var lastText=nodeText(currentElement.lastChild);
var email=firstText+"@"+lastText.replace(/ \[d-o-t\] /g,".");
email=email.replace(/ /g,"");
var link='<img src="/img/email.gif" width="16" height="16"/> <a href="mailto:'+email+'" title="sentemail">'+email+"</a>";
parentElement.removeChild(currentElement);
parentElement.innerHTML = link;  
}

addAnchor("em1","emnode1");