function SearchClick(classId,mark)
{var m=mark!=null?mark:"";var keyword=$("txtKeyword"+m);if(Trim(keyword.value)=="")
{alert("请输入搜索关键字！");keyword.focus();return false;}
else
{if(filterStrForSearch(Trim(keyword.value))=="")
{alert("关键字全是非法字符，请重新输入！");keyword.value="";keyword.focus();return false;}
else
{location.href="../search/news_"+classId+"_"+encodeURI(filterStrForSearch(keyword.value))+"_1.html";return true;}}}