window.onload = function() {
	createMenus();
	setDynamicData();
}

function setDynamicData() {
	/*
		Adding H1 element to the title
		Called in window.onload	
	*/
	if (document.getElementsByTagName("h1")[0] == null) {return true;}
	var title = document.getElementsByTagName("h1")[0].innerHTML;
	var regAmp = /&/;
	title = title.replace(regAmp, '&');
	document.title = title + " - " + document.title;
}


function setStyle() {
	var style = readCookie("page_style");
	if (style != null) {
		setActiveStyleSheet(style, 0);
	}
}

function setActiveStyleSheet(title, reset) {
	var i, a, main;
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
			a.disabled = true;
			if(a.getAttribute("title") == title) a.disabled = false;
		}
	}
	if (reset == 1) {
		createMenus();
		createCookie("page_style", title, 365);
	}
}

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = ";expires="+date.toGMTString();
	}
	else expires = "";
	document.cookie = name+"="+value+expires+";domain=www.jmb-arts.com;path=/;";
}

function readCookie(name) {
	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 PopupWindow(url, height, width) {
	var features = "status=yes,scrollbars=yes,resizable=yes,width=" + width + ",height=" + height + ",left=30,top=30";
	var childWindow = open(url,'choicePopup',features);
	childWindow.focus();
}

function createMenus() {

	if (document.getElementById('mask') == null) {return true;}

	initializeMenu('subBP', 'BP');
	initializeMenu('subDI', 'DI');
	initializeMenu('subHI', 'HI');
	initializeMenu('subMS', 'MS');
	initializeMenu('subCU', 'CU');

	document.getElementById('mask').onmouseover = function() {
		if (currentMenu) {
			currentMenu.style.visibility = "hidden";
			document.getElementById('mask').style.visibility = "hidden";
		}
	}
	document.getElementById('mainMenu').style.visibility = "visible";
}

var currentMenu = null;

if (!document.getElementById) {
	document.getElementById = function() { return null; }
}

function initializeMenu(submenuId, menuId) {
	var submenu = document.getElementById(submenuId);
	var menu = document.getElementById(menuId);

	if (menu == null || submenu == null) return;

	submenu.style.left = (menu.offsetLeft) + "px";
	submenu.style.top = menu.offsetHeight + "px";

	menu.onmouseover = function() {
		if (currentMenu) {
			currentMenu.style.visibility = "hidden";
		}
		this.showMenu();
	}

	menu.showMenu = function() {
		submenu.style.visibility = "visible";
		document.getElementById('mask').style.visibility = "visible";
		currentMenu = submenu;
	}
}

setStyle();