function check(){
		if(document.formsearch.searchtype.value=="")
		{
			var binbin=document.getElementById("search-keyword").value;
			window.open("http://www.baidu.com/s?si=haiziqi.com&cl=3&ct=2097152&tn=baidulocal&word="+encodeURIComponent(binbin));
			return false;		
		}
		else
		{
			document.formsearch.action="/plus/search.php";
		} 
	}