function checkPost()
{
	var keyObj=document.formsearch.key;
	var str=keyObj.value;
	var key=str.replace(/(^\s*)|(\s*$)/g,""); //过滤空格
	var dataOk=false;
	if(key.length<2)
	{
		alert("搜索关键字过短");
	}
	else
	{
		//开始一些针对Antidu搜索的特定转换，精确搜索
		var lastIndex=key.lastIndexOf("."); //从末尾开始找
		if(lastIndex>1)//-1没找到,1的话太短
		{
			key=key.replace(/专杀$/,""); //过滤最后2个字符为专杀的词
			if(key.split(".").length>2) //如果病毒名有多个点，则取前N-1个
			{
				key=key.substr(0,lastIndex);
			}
		}
		//替换
		keyObj.value=key;
		//返回值
		dataOk=true;
	}
	return dataOk;
}
/*
document.writeln("<form name=\"formsearch\" target=\"_blank\" method=\"post\" action=\" http:\/\/www.antidu.cn\/search.php\" onsubmit=\"return checkPost();\" style=\"margin:0px; padding:0px;\">");
document.writeln("    <input type=\"text\" name=\"key\" size=\"25\" \/>");
document.writeln("    <input type=\"submit\" name=\"sa\" value=\"搜索\" \/>");
document.writeln("<\/form>");
*/
document.writeln("<form target=\"_blank\" action=\" http:\/\/www.antidu.cn\/search.html\" id=\"cse-search-box\" style=\"margin:0px; padding:0px;\">");
document.writeln(" <input type=\"hidden\" name=\"cx\" value=\"002497962264368120530:njqrjymnjge\" \/>");
document.writeln("    <input type=\"hidden\" name=\"cof\" value=\"FORID:10\" \/>");
document.writeln("    <input type=\"hidden\" name=\"ie\" value=\"GB2312\" \/>");
document.writeln("    <input type=\"text\" name=\"q\" size=\"25\" value=\"杀毒软件\"\/>");
document.writeln("    <input type=\"submit\" name=\"sa\" value=\"搜索\" \/>");
document.writeln("<\/form>");