function limit_words(varfield,obj_str,limit_len)
{
	var leftchars = get_left_chars(varfield,limit_len);
	if (leftchars >= 0)
	{
		return true;
	}
	else
	{
		ls_str = obj_str + "的长度请限定在" + limit_len + "个汉字以内！";
		window.alert(ls_str);
		return false;
	}
	return true;
}
function search_submit()
{
	if(document.wordform.word.value=="" || document.wordform.word.value.length<2)
	{
		document.wordform.word.focus();
		alert("请正确写下您的问题！");
		return false;
	}
	return true;
}
function ask_submit()
{
	var word=document.wordform.word.value;
	location.href="/ask.php?word="+word;
}
function share_submit()
{
	var word=document.wordform.word.value;
	location.href="/share.php?word="+word;
}
function parse_message(data)
{
	var did=document.getElementById("newmessagetip");
	if(data)
	{
		if(data >=1)
		{
			did.innerHTML='&nbsp;&nbsp;<a href="/my.php?command=mymessage&amp;newpm"><font size="2" color="red">有新消息</font></a>&nbsp;&nbsp;';

		}
		else
		{
			did.innerHTML='';
		}
	}
	else
	{
		did.innerHTML='<font size="2" color="red">消息检测中...</font>';
	}
}