JS Random Color Gen/BG Flash/Seizure SRC

<body onload="Test();">
<script>
function Test(){
setInterval("GenStrongPass()",50);
}
</script>
<script>
function styleBGColor(color){
document.body.style.backgroundColor=(color);
}
function GenStrongPass()
{
var text = "";
var possible = "FABCGDEG0123456789";
for(var i=0; i!=6; i++)
text+=possible.charAt(Math.floor(Math.random()*possible.length));
document.body.style.backgroundColor=(text);
document.write(text+"\n<br>");
}
</script>