//by zdzhuo
<html>
<head>
<script type="text/javascript">
var d = document;
var mk = new Array(
'<red>','<span style="color:red;">',
'</red>','</span>',
'<big>','<span style="font-size:22pt;">',
'</big>','</span>',
'<zhuo>','<span style="font-style:oblique;">',
'</zhuo>','</span>',
'<next>','<br><br>'
);
function mark() {
var t = new String(d.body.innerHTML);
for(i=0;i<mk.length;i+=2) t = t.replace(new RegExp(mk[i], 'gi'),mk[i+1]);
d.body.innerHTML = t;
}
</script>
</head>
<body onload="mark();">
<red>zdzhuo</red>
<next>
<big>zdzhuo</big>
<next>
<zhuo>zdzhuo</zhuo>
</html>