function GetCookie(CookieName) {

	// Returns the data stored in the client cookie CookieName
	var tmpVal="";
	// Get name/value part of cookie - all characters before first ";" character in cookie
	var aCookie = document.cookie.split(";");
	// Iterate thru all name/value pairs within cookie until one matching the specified name is found
	for (var i=0; i < aCookie.length; i++) {
		// a name/value pair (a crumb) is separated by an equals sign
		var aCrumb = aCookie[i].split("=");
		if (EquivalentStrings(CookieName, aCrumb[0])) {
			tmpVal=unescape(aCrumb[1]); // return the cookie value
		}
	}
	// Return null if no match found
	return tmpVal;
	// return unescape(document.cookie);
				
}

function SetCookie(CookieName, CookieValue) {
// Saves the value CookieValue in the client cookie CookieName

	var arryWeekDays = new Array("Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun");			
	var arryMonths = new Array("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");			
	// Set default cookie properties
	var dteExpires = new Date();
	var intDay = dteExpires.getDate();
	dteExpires.setDate(intDay + 200);
	var strExpires = arryWeekDays[dteExpires.getDay()] + ", " +
		dteExpires.getDate() + " " + arryMonths[dteExpires.getMonth()] +
		" " + dteExpires.getFullYear() + " " + dteExpires.getHours() +
		":" + dteExpires.getMinutes() + ":00 UTC";
	// Create the cookie string
	var tmpCookie = CookieName + "=" + escape(CookieValue) + ";"; // "escape" function ensures only valid characters are stored
	if (CookieValue == 0) 
		tmpCookie = CookieName + "=;"
	else
		tmpCookie=tmpCookie + "expires=" + strExpires + ";";
	// Save the cookie
	document.cookie=tmpCookie;
			
}

// INTERNAL FUNCTIONS:

function EquivalentStrings(String1, String2) {
// Compare String1 to String2 to see if they are equivalent (ie equal strings ignoring case and leading/trailing spaces)
	
	// Dependancy of: GetCookie()
	// Removes any leading/trailing spaces from String1
	// Remove any leading spaces
	while (String1.charAt(0)==" ") {
		String1=String1.substr(1);
	}
	// Remove any trailing spaces
	while(String1.charAt(String1.length-1)==" ") {
		String1=String1.substr(0, (String1.length-1));
	}					
	// Removes any leading/trailing spaces from String2
	// Remove any leading spaces
	while (String2.charAt(0)==" ") {
		String2=String2.substr(1);
	}
	// Remove any trailing spaces
	while(String2.charAt(String2.length-1)==" ") {
		String2=String2.substr(0, (String2.length-1));
	}					
	// Compare String1 to String2 (case insensitive comparison)
	var retval=false;
	if (String1.toUpperCase()==String2.toUpperCase()) {
		retval=true;
	}
	return retval;
			
}

function AllowSessionCookie()
{
	document.cookie="GCtest=Yes;";
	if (GetCookie("GCtest") != "") {
		return true;
	}
	else {
		return false;
	}
}