<script language="JavaScript">
<!--
function clear(){
   document.script.reset();
}
function clearcontent(){
errstr="你是否确定清除内容?"
if(confirm(errstr))
   clear();
else
   return false;
}	

function test(){
  {
  temp = document.script.content.value;
  testwin= open("", "测试","status=yes,menubar=yes,toolbar=no,scrollbars=yes");
  testwin.document.open();
  testwin.document.write(temp);
 }
}
//-->
</script>
<form name="script">
<center><textarea name="content" rows="16" cols="50"></textarea></center>

<br>
<p align=center>
<input type="button" value=" 测试 " onClick="test()">&nbsp;&nbsp;

<input type="button" value=" 清除 " onClick="clearcontent()">&nbsp;&nbsp;
</p>
</form>