打字机打彩色文字

<DIV class=ttl1 id=ttl0><SPAN class=ttl1></SPAN></DIV>
<SCRIPT language="JavaScript">
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function writeOnText(obj, str) {
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if (style) eval(obj+'.innerHTML= str');
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//以下是输出的内容，自己修改即可。
var dispStr = new Array(
"<font color=red size=3>欢迎光临“网页特效集锦”...</font><br><font color=green size=3>你知道怎样在你的网页中做一个很酷的网页菜单吗?</font><br><font color=red size=3>你知道怎样让你的网页背景向上或向下移动吗?</font><br><font color=blue size=3>你知道怎样在你的主页中任意位置显示一个时钟吗?</font><br><font color=red size=3>你知道怎样在主页中做特效文字吗?</font><br><font color=black size=3>你知道怎样做一个很cool的日历吗?</font>"
);
var overMe=0;
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if (str.charAt(idx) == '&' && str.charAt(idx+1) != ' ') { while (str.charAt(idx) != ';') idx++; idx++; }
tmp0 = str.slice(0,idx);
tmp1 = str.charAt(idx++);
if (overMe==0 && plysnd==1) {
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writeOnText(idObj, "<span class="+spObj+"><font color='"+clr1+"'>"+tmp0+"</font><font color='"+clr2+"'>"+tmp1+"</font></span>");
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}
}
function www_helpor_net() {
helpor_net(dispStr[0], 0, 'ttl0', 'ttl1', '#339933', '#99FF33', 50, 0);
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www_helpor_net();
// -->
</SCRIPT>