Have some solution:
<script type="text/javascript">
function setr()
{DelCookie("_pa geRefresh_");do cument.cookie = "_pageRefresh_= 1;path=/;";}

function DelCookie(sName )
{document.cooki e = sName + "=; expires=Fri, 31 Dec 1980 23:59:59 GMT;";}

function CheckRefresh()
{ var aCookie = document.cookie .split("; ");
for(var i=0;i<aCookie.l ength;i++){...