function CheckSearch(search)
{
	if(search.kw.value == "")
	{
		alert("搜索关键字不能为空！");
		search.kw.focus();
		return false;
	}
	search.Submit.disabled = true;
}
function mhHover(cls)
{
	event.srcElement.className = cls;
}

function CopyURL() { try { 
	window.clipboardData.setData("text",location.href); 
	alert("复制成功，请粘贴到你的论坛/QQ/MSN上推荐给你的好友，谢谢。"); 
	} catch(e) {}
}