function readCookie(name){var nameEQ,ca,calength,i,c;nameEQ=name+"=";ca=document.cookie.split(';');calength=ca.length;for(i=0;i<calength;i++){c=ca[i];while(c.charAt(0)===' '){c=c.substring(1,c.length);}if(c.indexOf(nameEQ)===0){return c.substring(nameEQ.length,c.length);}}return null;}function createCookie(name,value,days){var newdate,expires;if(days){newdate=new Date();newdate.setTime(newdate.getTime()+(days*24*60*60*1000));expires="; expires="+newdate.toGMTString();}else{expires="";}document.cookie=name+"="+value+expires+"; path=/";}var chkCookie=readCookie('referAdd');if(chkCookie){}else{createCookie('referAdd',document.referrer,1);}