function getProductId(url)
{
	var regex  =  "http://item.*taobao\\.com/item\\.htm.*[?&]id=(\\w{5,12}).*";
	var regex1 =  "http://item\\.taobao\\.com/auction/item_detail\\..*item_num_id=(\\w{5,12}).*";
	var regex2 =  "http://item\\.tmall\\.com/item\\.htm\\?id=(\\w{5,12}).*";
	var regex3 =  "http://spu\\.tmall\\.com/spu_detail\\.htm.*default_item_id=(\\w{5,12}).*";	
	var regex4 =  "http://fx\\.taobao\\.com.*item_id=(\\w{5,12}).*";
	var regex5 =  "http://item\\.lp.taobao\\.com.*id=(\\w{5,12}).*";
	var regex6 =  "http://item\\.taobao\\.com/item\\.htm.*\\&id=(\\w{5,12}).*";
	var regex7 =  "http://item\\.tmall\\.com/item\\.htm.*\\&id=(\\w{5,12}).*";
	var regex8 =  "http://spu\\.tmall\\.com/spu_detail\\.htm.*mallstItemId=(\\w{5,12}).*";
	var regex9 =  "http://detail\\.tmall\\.com/item.htm.*[?&]id=(\\w{5,12}).*";
	var regex10=  "http://detail\\.tmall\\.com/.*item_num_id=(\\w{5,12}).*";
	var regex11=  "http://detail\\.tmall\\.com/.*default_item_id=(\\w{5,12}).*";
	
	var result = url.match(regex);
	if(result != null)
	{
	  return result[1];
	} 

	var result = url.match(regex1);
	if(result != null)
	{
	  return result[1];
	} 
	var result = url.match(regex2);
	if(result != null)
	{
	  return result[1];
	}
	var result = url.match(regex3);
	if(result != null)
	{
	  return result[1];
	} 
	var result = url.match(regex4);
	if(result != null)
	{
	  return result[1];
	}
	var result = url.match(regex5);
	if(result != null)
	{
	  return result[1];
	} 
	var result = url.match(regex6);
	if(result != null)
	{
	  return result[1];
	}
	var result = url.match(regex7);
	if(result != null)
	{
	  return result[1];
	}
	var result = url.match(regex8);
	if(result != null)
	{
	  return result[1];
	}
	var result = url.match(regex9);
	if(result != null)
	{
	  return result[1];
	}
	var result = url.match(regex10);
	if(result != null)
	{
	  return result[1];
	}
	var result = url.match(regex11);
	if(result != null)
	{
	  return result[1];
	}
}

function getJhsKey(url)
{

	var regex  =  "http://item\\.taobao\\.com/item\\.htm\\?id=.*\\&key=(.*)\\&tracelog=.*\\&_u=.*";
	var result = url.match(regex);
	if(result != null)
	{
	  return result[1];
	} 
}