var sURL = unescape(window.location.pathname); // Store the refresh page url. -- working --

function getQueryVar(variable) {
    var query = window.location.search.substring(1);
    var vars = query.split("&");
    for (var i = 0; i < vars.length; i++) {
        var pair = vars[i].split("=");
        if (pair[0] == variable) {
           return unescape(pair[1]);
        }
    }
}

function RScreateCookie(name,value,days) { // Create the cookie (upon clicking link) -- working --
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(1*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else 
	var date = new Date();
	date.setTime(date.getTime()+(1*60*60*1000));
	var expires = "; expires="+date.toGMTString();
	document.cookie = name+"="+value+expires+"; path=/";
	window.location.replace( sURL );
}

function RSreadCookie(name) { // Read the cookie. -- working --
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function RSeraseCookie(name) { // Erase the cookie (upon clicking link) -- working --
	RScreateCookie(name,"",-1);
	window.location.replace( sURL );
}

function RScheckCookie(name,infodiv,linkdiv) { // Check the cookie, called from js in body -- partially working --
	var isset = RSreadCookie(name);
	if (isset) { // If the cookie exists...
		document.getElementById("infoarea").style.display="block";  
		document.getElementById("linkarea").style.display="none";  
	}
	else
	if (!isset) { // If a cookie is not set... -- working --
		document.getElementById("infoarea").style.display="none";  
		document.getElementById("linkarea").style.display="block";
		var cookie = getQueryVar("cookie");
		if (cookie!="") {
			if (cookie == "set") {
				RScreateCookie(name);
			}
			else
			if (cookie == "notset") {
				document.getElementById("infoarea").style.display="none";  
				document.getElementById("linkarea").style.display="block";
			}
		}
		else
		{
			document.getElementById("infoarea").style.display="none";  
			document.getElementById("linkarea").style.display="block";
		}
	}
}