var elements_by_class=new Array;
var ebc_init=0;

function init_ebc() {
  var elems=document.getElementsByTagName("*");
  for (var i=0; i<elems.length; i++) {
    var elem=elems[i];
    var classes=elem.className.split(/ /);
    for (var j=0; j<classes.length; j++) {
      var cn=classes[j];
      if (!elements_by_class[cn]) {
	elements_by_class[cn]=new Array;
      }
      elements_by_class[cn].push(elem);
    }
  }
  ebc_init=1;
}

document.getElementsByClass=function(class_name) {
  if (!ebc_init) {
    init_ebc();
  }
  var elems=elements_by_class[class_name];
  if (elems) {
    return elems;
  } else {
    return [];
  }
}

document.getElementsByTagClass=function(tag_name,class_name)
{
  var c_elems=document.getElementsByClass(class_name);
  var r=new Array();
  var j=0;

  for(var i=0; i<c_elems.length; i++) {
    if (c_elems[i].tagName==tag_name) {
      r[j++]=c_elems[i];
    }
  }
  return r;
}

function deobfsce() {
  var date=new Date();
  var datestr=String(date.getFullYear()) + (date.getMonth()+1) + date.getDate();  // Missing leading zeros
  var els=document.getElementsByTagClass("SPAN","obfsce");
  for (i=0; i<els.length; i++) {
    var el=els[i];
    var t=el.childNodes[0].data;
    var ad=t.replace(/ AT /g,'@').replace(/ DOT /g,'.').replace(/<>/g,datestr);
    var a=document.createElement("A");
    a.href="mailto:"+ad;
    a.appendChild(document.createTextNode(ad));
    el.parentNode.replaceChild(a,el);
  }
}

window.onload=deobfsce;