var timer=new Date();
function loading(){
var speed=Math.floor((new Date()-timer)/100)/10;
if (speed%1==0) speed+=".0";
document.getElementById("muncul").innerHTML=speed;
}
var time_out=setInterval("loading()",100);
window.onload=function(){
clearTimeout(time_out);
}
document.write("Kecepatan: <b><span id=\"muncul\">0.0</span></b>/ detik");