function hcLogTrace(group, target, user, data_no)
{
	try {
	group = parseInt(group);
	target = parseInt(target);
	if(isNaN(group)) group = 1;
	if(isNaN(target)) target = 1;
	
	if(typeof group == 'number' && typeof target == 'number')
	{
		var strLogHost = 'log.happycampus.com';
		var strLogUrl = 'trace.html';
		var strReferrer = encodeURIComponent(window.document.referrer);
		var strProtocol = parent.location.protocol.substr(0,4);
		var strUrl = (document.location.protocol == 'http:' ? 'http:' : 'https:') + '//' + strLogHost + '/' + strLogUrl + '?group=' + group + '&target=' + target + '&ref=' + strReferrer + '&time=' + parseInt(new Date / 1000);
		
		if(typeof user == 'string' && user.length > 0) strUrl += '&userId=' + user; 
		
		var oImg = document.createElement('IMG');
		oImg.src = strUrl;
		delete oImg;

		// 65 : ¸¶À̼¥-°ü¸®, 66 : ¸¶À̼¥-¹æ¹® (ÄíÅ°¿¡ Ŭ¸¯µÈ ¸Þ´º °íÀ¯ ¹øÈ£¸¦ ÀúÀåÇÑ´Ù.
		// 324 : ¸¶ÀÌÆäÀÌÁö_±¸¸Å´ë±âÀÚ·á, 325 : ¸¶À̼¥_¸ÂÃãÀÚ·á, 326 : ¸¶À̼¥_ÆǸÅÀÚ·á, 327 : ¸¶À̼¥_À̺¥Æ®ÀÚ·á, 335 : ¸¶À̼¥_¹­À½ÀÚ·á
		if( data_no && (group == 3 && target == 10) || (group == 67 && target == 330) ){ // ±âÁ¸¿¡ »ó¼¼ ÆäÀÌÁö¿¡ ¼¼ÆõǾî ÀÖ´Â °íÀ¯ ¹øÈ£ (´õº¸±â ¸µÅ©ÀÎ °æ¿ì data_no °ªÀÌ ¾øÀ½)
			group = 66;
			target = 336;
		}

		if( (group == 65 || group == 66) && (target == 324 || target == 325 || target == 326 || target == 327 || target == 335 || target == 336) ){
			document.cookie = 'MYSHOP_USELOG_TARGET=' +  target  + '; path=/; domain=.happycampus.com;'; //  expires=0;
			document.cookie = 'MYSHOP_USELOG_META_DATA=' +  data_no  + '; path=/; domain=.happycampus.com;';
		}
	}}catch(e){}
}