function $(id) { return document.getElementById(id); }
	function switchMenuLayer(layernum)
	{
		if(layernum==0)
		{
			$('menu_category').style.display='block';
			$('menu_brand').style.display='none';
		}
		else
		{
			$('menu_category').style.display='none';
			$('menu_brand').style.display='block';			
		}
	}
var searchid=0;
function top_search(str,s_id){
  if(s_id!=searchid){
	document.getElementsByName("search_li")[searchid].className = "ssss";
    document.getElementsByName("search_li")[s_id].className = "top_search_1_1_1";
    document.searchform.Type.value = str;
	searchid = s_id;
  }
}

function getCoordinate(obj)
{
  var pos =
  {
    "x" : 0, "y" : 0
  }

  pos.x = document.body.offsetLeft;
  pos.y = document.body.offsetTop;

  do
  {
    pos.x += obj.offsetLeft;
    pos.y += obj.offsetTop;

    obj = obj.offsetParent;
  }
  while (obj.tagName.toUpperCase() != 'BODY');

  return pos;
}

function showFlyMenu(obj,flynum)
{
	//$('fly'+flynum).style.display='block';
	
	var pos = getCoordinate(obj);
	  
  var div = $('fly'+flynum);
  var li = $('up'+flynum);
	var sp = $('down'+flynum);

  if (div && div.style.display != 'block')
  {
    div.style.display = 'block';
    div.style.left = (pos.x + 80) + "px";
    div.style.top = (pos.y - 60) + "px";
	  li.style.background='../Skins/Default6/fenleibg.gif';
	  li.style.color='#990000';
	  sp.style.display='none';
  }
}
function hideFlyMenu(flynum)
{
	var div = $('fly'+flynum);
	var li = $('up'+flynum);
	var sp = $('down'+flynum);
	if (div && div.style.display != 'none') 
	{
		div.style.display = "none";
		li.style.background='../Skins/Default6/fenleibg.gif';
	  li.style.color='#8D0A00';
	  sp.style.display='block';
	}
}
function stayFlyMenu(flynum)
{
  var div = $('fly'+flynum);
  var li = $('up'+flynum);
  var sp = $('down'+flynum);

  if (div && div.style.display != 'block')
  {
    div.style.display = 'block';
	  li.style.background='#FFE7E7';
	  li.style.color='#990000';
	  sp.style.display='none';
	}
}