function getCookie(c_name) {
 var i,x,y,ARRcookies=document.cookie.split(";");
 for (i=0;i<ARRcookies.length;i++) {
  x=ARRcookies[i].substr(0,ARRcookies[i].indexOf("="));
  y=ARRcookies[i].substr(ARRcookies[i].indexOf("=")+1);
  x=x.replace(/^s+|s+$/g,"");
  if (x==c_name) {
   return unescape(y);
  }
 }
}
function setCookie( name, value, expiredays ) { 
 var todayDate = new Date(); 
 todayDate.setDate( todayDate.getDate() + expiredays ); 
 document.cookie = name + "=" + escape( value ) + "; path=/; expires=" + todayDate.toGMTString() + ";" 
}


function closePop(num){
    if(document.forms['pop_form'+num].chkbox.checked){
        setCookie('poplevel',num, 1); 
    }
    document.getElementById('pop'+num).style.visibility = 'hidden';
}
if(!getCookie("poplevel")){setCookie("poplevel","0",1);}