var expDays = 0;
var page = "nl_pop.htm";
var windowprops = "height=350, width=325, location=no, status=no"
+ "scrollbars=no, menubars=no, toolbars=no, resizable=yes, left=0, top=0, screenX=0, screenY=0";

function getCookie (name) {  
var arg = name + "=";  
var alen = arg.length;  
var clen = document.cookie.length;  
var i = 0;  
while (i < clen) {    
var j = i + alen;    
if (document.cookie.substring(i, j) == arg)      
return getCookieVal (j);    
i = document.cookie.indexOf(" ", i) + 1;    
if (i == 0) break;   
}  
return null;
}

function setCookie (name, value) {  
var argv = setCookie.arguments;  
var argc = setCookie.arguments.length;  
var expires = (argc > 2) ? argv[2] : null;  
var path = (argc > 3) ? argv[3] : null;  
var domain = (argc > 4) ? argv[4] : null;  
var secure = (argc > 5) ? argv[5] : false;  
document.cookie = name + "=" + escape (value) + 
((expires == null) ? "" : ("; expires=" + expires.toGMTString())) + 
((path == null) ? "" : ("; path=" + path)) +  
((domain == null) ? "" : ("; domain=" + domain)) +    
((secure == true) ? "; secure" : "");
}

function deleteCookie (name) {  
var exp = new Date();  
exp.setTime (exp.getTime() - 1);  
var cval = getCookie (name);  
document.cookie = name + "=" + cval + "; expires=" 
+ exp.toGMTString();
}

var exp = new Date(); 
exp.setTime(exp.getTime() + (expDays*24*60*60*1000));

function amt(){
var count = getCookie('count')
if(count == null) {
setCookie('count','1')
return 1
}
else {
var newcount = parseInt(count) + 1;
deleteCookie('count')
setCookie('count',newcount,exp)
return count
   }
}

function getCookieVal(offset) {
var endstr = document.cookie.indexOf (";", offset);
if (endstr == -1)
endstr = document.cookie.length;
return unescape(document.cookie.substring(offset, endstr));
}

function popupNewsletter() {
var count = getCookie('count');
if (count == null) {
count++;
setCookie('count', count, exp);
window.open(page, "popup", windowprops);
}
else {
count++;
setCookie('count', count, exp);
   }
}