function check_search(weblan,tips){
	if(document.getElementById('key').value==""){
		alert(tips);
		document.searchfrm.keyword.focus();
	}else{
		<!--searchfrm.submit();-->
		kw=document.getElementById('key').value;
		window.location.href="/search.php?weblan="+weblan+"&keyword="+kw;
	}
}