function encode_url(stri)
{
	
	 for(i=0;i<stri.length;i++)
	  {
	     if(stri[i] == "&")  
		  {
		stri =  stri.replace("&","%26");  
		 
		  }
		  
	  }
	  
	return stri; 
	}

ref_url = encode_url(ref_url);
curr_url = encode_url(curr_url);
page = "http://track.freshpeak.com/doRecord.php?cu="+curr_url+"&ru="+ref_url+"&ua="+user_agent+"&trackdom="+nowdom;
var sc=document.createElement('script');
sc.type='text/javascript';
sc.id="_3dweb";
sc.src=page;
document.getElementsByTagName('head')[0].appendChild(sc);