var pos = 14;
function initArray() {
this.length = initArray.arguments.length;
for (var i = 0; i < this.length; i++) {
this[i] = initArray.arguments[i];
   }
}
var col=new initArray("4b","5b","8b","8b");
function stop() {
document.bgColor = '#FFFFFF';
clearTimeout(loopID);
}
function start() {
col[1]="#71C9EE"
col[2]="#76A4D4"
col[3]="#8088BF"
col[4]="#AA84B9"
col[5]="#D591BA"
col[6]="#F198AC"
col[7]="#F1977C"
col[8]="#F8AD7D"
col[9]="#FDD78D"
col[10]="#FDEC97"
col[11]="#EFF19A"
col[12]="#C5E39A"
col[13]="#92CC9A"
col[14]="#84C59A"
pos++;
if (pos<1||pos>14) {
pos = 1;
}
document.bgColor = col[pos];
loopID = setTimeout("start()",5000);
}