检查错误！

<body>
<script language="javascript">
function fadein(){
if (pic.filters.alpha.opacity<100) {
show=setInterval("toshow()",50)
}
}
function toshow(){
pic.filters.alpha.opacity=pic.filters.alpha.opacity+10
}
</script><body>
<p onclick="fadein()">asdadasdas</p>
<img src="file:///F|/01.gif" id="pic" name="pic" style="filter:alpha(opacity=0)" width="100" height="80">
</body>