function generateMenu() {
	createButton("Home","http://www.callcentersites.net",1,1);
	createButton("Site Selection","http://www.callcentersites.net", 2,1);
	createButton("Economic Develoment Organizations", "http://www.callcentersites.net", 3,2);
	createButton("Economic Develoment Directory", "http://www.callcentersites.net", 4,2);
	createButton("Telecommunications Directory", "http://www.callcentersites.net", 5,2);
}
function createButton(display, link, index, lines) {
	var topPosition = index * 16;
	document.write("<div id=\"menulink\" style=\"top: " + topPosition + "px;\"><a href=\"" + link + "\">" + display + "</a></div>");
}
function showSubMenu(submenu) {
	var divTag = document.getElementById(submenu);
	divTag.style.visibility = "visible";
}
function hideSubMenu(submenu) {
	var divTag = document.getElementById(submenu);
	divTag.style.visibility = "hidden";
}
function changeButton(img_name,img_src) {
	document[img_name].src=img_src;
}