根据Nascape 6的开发者称：在以后的版本里，将废除<blank></blank>标记。那么，下面的代码可以实现此功能！
<HTML>
<HEAD>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="author" content="孟宪会">
<SCRIPT>
function blink (elId) {
var html = '';
if (document.all)
html += 'var el = document.all.' + elId + ';';
else if (document.getElementById)
html += 'var el = document.getElementById("' + elId + '");';
html +=
'el.style.visibility = ' +
'el.style.visibility == "hidden" ? "visible" : "hidden"';
if (document.all 关键词：怎样编写IE与NN6通用的闪烁(blank)效果