<html> <head> <script language="javascript"> function blink_effect() { var objBlink = document.all.tags("BLINK"); for(var i=0; i < objBlink.length; i++) { objBlink[i].style.visibility = objBlink[i].style.visibility == "" ? "hidden" :"" } } function init() { if(document.all) { setInterval("blink_effect()", 1000); //1000은 1초 } } window.onload = init; <..