cou1='0';cou2='3';cou3='6';
 function changecouleur(){
 switch(cou1) {
 case "0" : cou1="3"; break;
 case "3" : cou1="6"; break;
 case "6" : cou1="9"; break;
 case "9" : cou1="C"; break;
 case "C" : cou1="F"; break;
 case "F" : cou1="0"; cou2aj(); break;
 }
 document.getElementById("divi").style.color= cou3 + cou3 +cou2 + cou2 + cou1 + cou1;
 window.setTimeout('changecouleur();', 200);
 }
 function cou2aj(){
 switch(cou2) {
 case "0" : cou2="3"; break;
 case "3" : cou2="6"; break;
 case "6" : cou2="9"; break;
 case "9" : cou2="C"; break;
 case "C" : cou2="F"; break;
 case "F" : cou2="0"; cou3aj(); break;
 }}
 function cou3aj(){
 switch(cou3) {
 case "0" : cou3="3"; break;
 case "3" : cou3="6"; break;
 case "6" : cou3="9"; break;
 case "9" : cou3="C"; break;
 case "C" : cou3="F"; break;
 case "F" : cou3="0"; break;
 }
 }