function search()
{
  if (document.searchform.keyword.value=="" || document.searchform.keyword.value=="请输入关键字")
  {
    alert('请填写搜索关键词!');
    return false;
  }
  else
  {
    searchform.action="http://www.446655.com/shanggan/search1.asp";
    searchform.target="_self";
    searchform.submit();
  }
}
document.writeln("<table width=198 border=4 bordercolor=#6699CC>");
document.writeln("<form name=\"searchform\" method=\"post\">")
document.writeln("<tr><td><input type=\"text\" name=\"keyword\" value=\"请输入歌曲名或歌手名\"  onKeyDown=\"if (event.keyCode==13)search();\" onMouseOver=\"javascript:this.select();\" style=\"width:150px; height:18px; font-size:12px;\">&nbsp;<input type=\"button\" name=\"btn\" style=\"font-size:12px;width:25px;height:20px;padding-top:1px;\" value=\"搜\" onClick=\"javascript:search();\"><\/td><\/tr><\/form><\/table>")