var SEARCH_INPUT_WORDS="请输入帖子标题关键字";

function ins_search_title(gid)
{
	var keywords = document.getElementById("search_input");
	if(keywords)
	{
		keywords = keywords.value;

		keywords.trim(" \r\n\t");
		var len = keywords.UTF8Length();
		if(len <= 1)
		{
			alert("查询条件太短，请至少输入2个字符的关键字");
			document.getElementById("search_input").focus();
			return;
		}

		var url = "/bbs_search.htm?sid="+gid+"&kw="+g_vs.encodeURLValue(keywords);
		document.location.href=url;
	}
}

function ins_validatesearchinput(obj)
{
	if(obj.value==SEARCH_INPUT_WORDS)
	{
		obj.value='';
		obj.style.color='#000000';
	}
}

function ins_init_search(gid)
{
	var ctrls = document.getElementById("ctrls");
	if(ctrls)
	{
		ctrls.innerHTML='<input style="width:150px;color:#9C9C9C;margin-left:10px;" type=text id="search_input" size=20 maxlength=20 value="'+SEARCH_INPUT_WORDS+'" onclick="ins_validatesearchinput(this);" /><input type=button size=12 value="搜索帖子" onclick="ins_search_title('+gid+');" style="margin-left:10px;" />';
	}
}