function Rankicon(){

x = document.getElementsByTagName('span')
for(y=0;y<x.length;y++){
var oldHTML = x[y].innerHTML;
if((x[y].style.color=="rgb(122, 122, 122)")||(x[y].style.color=="#7a7a7a")) {x[y].innerHTML = "<img src='https://i.imgur.com/C2yau.gif'>" + "<strike>" + oldHTML + "</strike>";}
<!-- Mod -->
if ((x[y].style.color=="rgb(0, 143, 48)")||(x[y].style.color=="#008f30")) {icon = "<img src='https://i.servimg.com/u/f24/15/64/85/86/3qz4a10.png'>";x[y].innerHTML = icon + oldHTML;}
<!-- Admin -->
if ((x[y].style.color=="rgb(255, 0, 0)")||(x[y].style.color=="#ff0000")) {icon = "<img src='http://mynetimages.com/779d56e3c0_th.png' width='15px'>";x[y].innerHTML = icon + oldHTML;}
<!-- mem -->
if ((x[y].style.color=="rgb(0, 0, 255)")||(x[y].style.color=="#0000ff")) {icon = "<img src='http://c1img.cyworld.co.kr/img/mall/effect2/nameicon/nameicon_63157.gif'>";x[y].innerHTML = icon + oldHTML;}

}
}
Rankicon();