function Rankicon(){

x = document.getElementsByTagName('span')
for(y=0;y<x.length;y++){
var oldHTML = x[y].innerHTML;
if((x[y].style.color=="rgb(87, 87, 87)")||(x[y].style.color=="#575757")) {x[y].innerHTML = "<img src='https://i.imgur.com/C2yau.gif'>" + "<strike>" + oldHTML + "</strike>";}
<!-- Tiến -->
if ((x[y].style.color=="rgb(245, 41, 41)")||(x[y].style.color=="#F52929")) {icon = "<img src='http://vietclan.com.vn/@forums/images/misc/group/mod.gif'>";x[y].innerHTML = icon + oldHTML;}
<!-- Mod -->
if ((x[y].style.color=="rgb(3, 56, 17)")||(x[y].style.color=="#033811")) {icon = "<img src='https://i.servimg.com/u/f49/16/49/19/24/2012.gif'>";x[y].innerHTML = icon + oldHTML;}
<!-- Contributor -->
if ((x[y].style.color=="rgb(0, 125, 235)")||(x[y].style.color=="#007deb")) {icon = "<img src='http://www.mynetimages.com/bcd56f03.gif'  width='16px'>";x[y].innerHTML = icon + oldHTML;}
<!-- Admin -->
if ((x[y].style.color=="rgb(237, 19, 19)")||(x[y].style.color=="#ED1313")) {icon = "<img src='https://i.servimg.com/u/f49/16/49/19/24/4014.gif'>";x[y].innerHTML = icon + oldHTML;}
<!-- CPmem -->
if ((x[y].style.color=="rgb(11, 11, 219)")||(x[y].style.color=="#0B0BDB")) {icon = "<img src='https://i.servimg.com/u/f49/16/49/19/24/2011.gif'>";x[y].innerHTML = icon + oldHTML;}

<!-- CPSecurity -->
if ((x[y].style.color=="rgb(242, 58, 162)")||(x[y].style.color=="#F23AA2")) {icon = "<img src='https://i.servimg.com/u/f24/15/54/64/05/acquy10.gif' width='15px'>";x[y].innerHTML = icon + oldHTML;}

}
}
Rankicon();