captcha berwarna
function cap()
{
var a="abcdefghijklmnopqrstuvwxyz1234567890";
var warna= new Array("red","blue","green","yellow")
document.getElementById("satu").innerHTML= a[Math.floor(Math.random()*35)];
document.getElementById("dua").innerHTML= a[Math.floor(Math.random()*35)];
document.getElementById("tiga").innerHTML= a[Math.floor(Math.random()*35)];
document.getElementById("empat").innerHTML= a[Math.floor(Math.random()*35)];
document.getElementById("lima").innerHTML= a[Math.floor(Math.random()*35)];
document.getElementById("satu").style.backgroundColor=warna
document.getElementById("dua").style.backgroundColor=warna
document.getElementById("tiga").style.backgroundColor=warna
document.getElementById("empat").style.backgroundColor=warna
document.getElementById("lima").style.backgroundColor=warna
}
/script
/head