function getPar(par){ var local_url = document.location.href; var get = local_url.indexOf(par +"="); if(get == -1){ return false; } var get_par = local_url.slice(par.length + get + 1); var nextPar = get_par.indexOf("&"); if(nextPar != -1){ get_par = get_par.slice(0, nextPar); } return get_par; } if(getPar('referrer').length>0){ location.href = decodeURIComponent(getPar('referrer')); } else { location.href = '../login/login.php'; } str; echo $script;