//Get names of nodes visited and put them in "nodesVisited" variable

if (getCookie("NodesVisited") != null) {

	nodesVisited = getCookie("NodesVisited")

} else {

	nodesVisited = ""

}



//If cookie is empty, put asterisk in the variable

//to serve as initial separator character to keep node names distinct

//within the variable string

if (nodesVisited == "") { nodesVisited = "*" }



//Find out how many times this node has already been visited

//and set cookie value appropriately;

//asterisk serves as separator to keep node names distinct

//from one another and therefore can't be used in filenames



//If name of currentNode isn't in cookie, this is the first visit

if (nodesVisited.indexOf("*" + currentNode + "*") == -1) {

	//add currentNode name to cookie

	setCookie("NodesVisited", nodesVisited + currentNode + "*")

	//set var. recording no. of visits

	visitNum = 1

} else {

	//if currentNode followed by "*/" is not in cookie, this is 2nd

	//visit

	if (nodesVisited.indexOf("*" + currentNode + "*/*") == -1) {

		visitNum = 2

		//add "/*"after nodeName in cookie to indicate 2nd visit

		offset = nodesVisited.indexOf(currentNode) + currentNode.length + 1

		firstHalf = nodesVisited.substring(0, offset)

		secondHalf = nodesVisited.substring(offset, nodesVisited.length)

		setCookie("NodesVisited", firstHalf + "/*" + secondHalf)

	//otherwise this is the 3rd visit

	} else {

		visitNum = 3

	}

}