//框架相关JS
function readCookie_p(name){
    var cookieValue = "";
    var search_s = name + "=";
    if(document.cookie.length > 0)
    { 
        offset = document.cookie.indexOf(search_s);
        if (offset != -1)
        { 
          offset += search_s.length;
          end = document.cookie.indexOf(";", offset);
          if (end == -1) end = document.cookie.length;
          cookieValue = unescape(document.cookie.substring(offset, end))
        }
    }
    return cookieValue;
}
    
function change_frame_left(catid,typeid,brandid){
    
    if(document.referrer.indexOf("left_")>0)
    {
        return;
    }        
    var obj = top.document.getElementById("left");
    if(!obj){
        return;
    }        
    var t_a = new Array();
    var left_path = obj.src;
    var jump_id = readCookie_p('jump_subcate');
	
    t_a = left_path.split('left_',2);
    left_path = t_a[0] + 'left_';
    if(!catid) return false;
    var src = left_path + catid + '.shtml';   
        
    if(typeid){
        src = src + '?typeid=' + typeid;     
        if(brandid){	            
	        src = src + '&brandid=' + brandid;
        }
    }
    if(jump_id!=typeid){
        writeCookie_p('jump_subcate',typeid,1000)
        obj.src =  src;		        
    }        
}
function writeCookie_p(name, value, hours){
  var expire = "";
  if(hours != null)
  {
    expire = new Date((new Date()).getTime() + hours * 3600000);
    expire = "; expires=" + expire.toGMTString();
  }
  document.cookie = name + "=" + escape(value) + expire + ";domain=.it168.com;path=/; ";
}
function _gObj(id)
{
return document.getElementById(id);
}
//top js
function disChannel()
{
  if(_gObj("ChannelMenu").style.display=="block")
    _gObj("ChannelMenu").style.display="none";
  else
    _gObj("ChannelMenu").style.display="block";
}

//查询条件列表显示更多品牌 
function showbrand() {		
    for (var i = 7; i < brandcount; i++) {    		
        document.getElementById("brand_" + i).style.display = "block";
    }
    document.getElementById("brandmore").innerHTML = "隐藏更多品牌&gt;&gt;";
    document.getElementById("brandmore").onclick = hidebrand;
}
function hidebrand() {
    for (var i = 7; i < brandcount; i++) {
        document.getElementById("brand_" + i).style.display = "none";
    }
    document.getElementById("brandmore").innerHTML = "更多品牌&gt;&gt;";
    document.getElementById("brandmore").onclick = showbrand;
}