massive_length = 3;
colors_= new Array(massive_length);
colors_[0] = "#532a88";
colors_[1] = "#532a88";
colors_[2] = "#DDE7DE";
var next_ = 0;

function Changehead()
{
headcolor= colors_[next_];

document.getElementById("blink").style.color=headcolor;
next_++;
if(next_ > colors_.length - 1) next_=0;
window.setTimeout("Changehead()",600); 
}