function getCookieVal(offset) {

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


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 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 initPop(name) {
var ckDays=365; // how long does the cookie last
var ckExpDate=new Date();
ckExpDate.setTime(ckExpDate.getTime() +  (24 * 60 * 60 * 1000 * ckDays));
// don't send expiration
var check=getCookie('zoomsciT');
if (check == null) {
surveyPop(name);
setCookie('zoomsciT',1);
}
else
{
//window.alert('cookie set');
}
return false;
}


function resourceAgree() {
	var ckDays=365; // how long does the cookie last
	var ckExpDate=new Date();
	ckExpDate.setTime(ckExpDate.getTime() +  (24 * 60 * 60 * 1000 * ckDays));
	// don't send expiration
	var check=getCookie('zoomsciT');
	if (check == null) {
		setCookie('zoomsciT','1');
		return false;
	} else {
		//window.alert('cookie set');
		if (check.indexOf('_zzz') > 0) {
// temporarily set the cookie to get rid of the expiration date
		setCookie('zoomsciT','1_zzz');
			//window.alert('signed in');
			return true;
		} else {
			return false;
		}
	}
}


function agreeto() {
//set the cookie if someone has just hit "I agree"
setCookie('zoomsciT','1_zzz');
}