function topSearch()
    {
        var ttname=document.getElementById("tsname");
        var tttype=document.getElementById("tstype");
		var ttcodetype='';//document.getElementById("tscodetype");
        var tagurl='';
         if(ttname.value.length<2)
        {
            alert('请输入至少2个搜索字符');
            return false;
        }
        if(tttype.selectedIndex==3)
        {
            doBBS();
        }
        else
        {
            switch (tttype.selectedIndex)
            {            
                case 1:tagurl='/dianpings.aspx?';break;
                case 0:tagurl='/search.aspx?';break;
                case 2:tagurl='/xiaofeis.aspx?';break;            
                default:tagurl='/dianpings.aspx?';break;
            }
            location.href=tagurl+"shname="+escape(ttname.value)+"&tstype="+tttype.selectedIndex+"&id=";
        }
        return true;
    }
    function keySearch(event)
    {
        if(event.keyCode==13)
        {
            return topSearch();
        }
    }
    function doBBS()
    {
        window.open("/searchbbs.aspx?keyword="+document.getElementById("tsname").value);        
    }
    if(location.href.indexOf('dianping')>-1)
    {
       document.getElementById("tstype").selectedIndex=1;       
    }
    if(location.href.indexOf('xiaofei')>-1||location.href.indexOf('anli')>-1)
    {
        document.getElementById("tstype").selectedIndex=2;        
    }