function a(i){return document.getElementById(i);}  
function a0(t,n){return document.getElementsByTagName(t)[n];}  
function a1(c,n){return document.getElementsByClassName(c)[n];}  
function a2(a,n){return document.getElementsByName(a)[n];}  
function a3(i){return a(i).tagName;}  
function a4(i){return a(i).nodeName;}  
function a5(i){return a(i).nodeType;}  
function a6(i){return a(i).nodeValue;}  
function a7(i){return a(i).className;}  
function b(i){return a(i).childElementCount;}  
function b0(i){return a(i).hasChildNodes();}  
function b1(i){return a(i).childNodes;}  
function b2(i){return a(i).children;}  
function b3(i){return a(i).firstChild;}  
function b4(i){return a(i).firstElementChild;}  
function b5(i){return a(i).lastChild;}  
function b6(i){return a(i).lastElementChild;}  
function b7(i){return a(i).nextSibling;}  
function b8(i){return a(i).nextElementSibling;}  
function b9(i){return a(i).previousSibling;}  
function b10(i){return a(i).previousElementSibling;}  
function b11(i){return a(i).parentNode;}  
function b12(i){return a(i).parentElement;}  
function c(i,t){a(i).innerHTML=t;}

...to be continued ;)