function doBlink() { 
var blink = document.all.tags("BLINK") 
for (var i=0; i < blink.length; i++) 
blink[i].style.color = blink[i].style.color == "" ? "#cccccc" : "" 
} 
function startBlink() { 
if (document.all) 
setInterval("doBlink()",350) 
} 
window.onload = startBlink;