这个JS不兼容火狐浏览器，请高手帮忙（修改版）..
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style>
#content,#intro{
font: 13px/25px;
width: 200px;
height: 50px;
background: #eee;
padding: 10px;
border: 4px #ccc double;
border-bottom:0;
overflow: hidden;
}
#intro {
color: #036;
font:12px;
border: 4px #ccc double;
border-top:0;
height:70px;
}
#key{color:#900;float:right}
hr{height:1px;border:1px #ccc dotted}
</style>
<script>
var s=3;
var minheight=50;
var maxheight=400;
function shoppingcat(){
var key = document.getElementById("key").innerText;
if(key=="展开"){
content.style.pixelHeight+=s;
if(content.style.pixelHeight<maxheight){
setTimeout("shoppingcat();",1);
}else{
document.getElementById("key").innerText="关闭";
}
}else{
content.style.pixelHeight-=s;
if(content.style.pixelHeight>minheight){
setTimeout("shoppingcat();",1);
}else{
document.getElementById("key").innerText="展开";
}
}
}
</script>
</head>
<body>
<div id="content">
孤雁儿
<br><br>
世人作梅词，下笔便俗。予试作一篇，乃知前言不妄耳。<br><br>
藤床纸帐朝眠起，<br>
说不尽、无佳思。<br>
沈香烟断玉炉寒，<br>
伴我情怀如水。<br>
笛声三弄，<br>
梅心惊破，<br>
多少春情意。<br><br>
小风疏雨萧萧地，<br>
又催下、千行泪。<br>
吹箫人去玉楼空，<br>
肠断与谁同倚？
一枝折得，<br>
人间天上，<br>
没个人堪寄。
</div>
<div id="intro" ><hr>作者：李清照<span id="key" onclick="shoppingcat();">展开</span><br>来源
：中国诗辞网</div>
</body>
</html>
[解决办法]
- HTML code
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>无标题文档</title><style>#content,#intro{font: 13px/25px;width: 200px;height: 50px;background: #eee;padding: 10px;border: 4px #ccc double; border-bottom:0;overflow: hidden;}#intro {color: #036;font:12px; border: 4px #ccc double; border-top:0; height:70px;}#key{color:#900;float:right}hr{height:1px;border:1px #ccc dotted}</style><script>var s=3;var minheight=50;var maxheight=400;function shoppingcat(){var key = document.getElementById("key").innerHTML;var content = document.getElementById("content");if (isNaN(parseInt(content.style.height))) content.style.height='0px';if(key=="展开"){content.style.height=parseInt(content.style.height)+s+'px';if(parseInt(content.style.height)<maxheight){setTimeout("shoppingcat();",1);}else{document.getElementById("key").innerHTML="关闭";}}else{content.style.height=parseInt(content.style.height)-s+'px';if(parseInt(content.style.height)>minheight){setTimeout("shoppingcat();",1);}else{document.getElementById("key").innerHTML="展开";}}}</script></head><body><div id="content"> 孤雁儿<br><br>世人作梅词，下笔便俗。予试作一篇，乃知前言不妄耳。<br><br>藤床纸帐朝眠起，<br> 说不尽、无佳思。<br>沈香烟断玉炉寒，<br>伴我情怀如水。<br>笛声三弄，<br>梅心惊破，<br>多少春情意。<br><br>小风疏雨萧萧地，<br>又催下、千行泪。<br>吹箫人去玉楼空，<br> 肠断与谁同倚？一枝折得，<br>人间天上，<br>没个人堪寄。</div><div id="intro" ><hr>作者：李清照<span id="key" onclick="shoppingcat();">展开</span><br>来源：中国诗辞网</div></body></html>