javascript和CSS嵌入式写法

<script language="javascript" type="text/javascript"> 
function check_up_message(text) 
{ 
} 
</script>


<input type="button" value="打印预览" onclick="Preview()" />




 <style type="text/css">
 </style>
 
 
  <div style="display: none">内容 E</div>