function pad(key,text){var result="";for(var i=0;i<key.length;i++){result+=String.fromCharCode(key.charCodeAt(i)^text.charCodeAt(i));}
return result;}
function a(k1,t1,k2,t2){var a=document.createElement("a");var t=document.createTextNode(pad(k2,t2));a.setAttribute("href",pad(k1,t1));a.appendChild(t);var pos=document;while(pos.lastChild.nodeType==1){pos=pos.lastChild;}
pos.parentNode.replaceChild(a,pos);}