function returnToMain() {
	var label = "../index.php";
	var site = "Return to Main Page";
	document.write("<div class='returnToMain'>");
	document.write(site.link(label));
	document.write("<\/p>");
}

function displayLinks() {
	for (i=0; i < links.length; i+=2) {
		document.write("<p>");
		document.write(links[i].link(links[i+1]));
		document.write("<\/p>");
   }
}

// set LEFT and RIGHT values 
function setValues() {
	var lengthOfLinks = links.length;
	var left;
	if (((lengthOfLinks/2) % 2) == 0) {
		left = lengthOfLinks / 2;
	} else {
		left = (lengthOfLinks / 2) + 1;
	}
	return left;
}

// displayLinksLeft
function displayLinksLeft() {
	var leftMax = setValues();
	for (i=0; i < leftMax; i+=2) {
		document.write("<p>" + links[i].link(links[i+1]) + "<\/p>");
	}
}

// displayLinksRight
function displayLinksRight() {
	var rightStart = setValues();
	for (i = rightStart; i < links.length; i+=2) {
		document.write("<p>" + links[i].link(links[i+1]) + "<\/p>");
	}
}