Event.observe(window,'load', function(){
  elements = document.getElementsByClassName('email'); 
  if(elements){
	  for(i=0;i<elements.length;i++){
		address_to_replace=elements[i].firstChild;
		real_address=address_to_replace.nodeValue.replace("*a*", "@");
		address_to_replace.nodeValue=real_address;
		address_to_replace.parentNode.setAttribute("href", "mailto:"+real_address);
	  }
  }
});