var menuMargins	= new Array (-176, -6);
var menuOffset	= 34;
var menuSpeed	= 50;
var mainPadding = new Array (16, 180);



function menuOC()
{
	menuOpen = !menuOpen;
	menuObj.onclick = null;
	
	slideMenu();
	
	return true;
}


function slideMenu()
{
	var offset = menuOffset * (menuOpen ? 1 : -1);
	menuObj.style.left = (parseInt(menuObj.style.left) + offset ) + 'px';
	
	offset = parseInt(menuObj.style.left);
	
	if (offset > menuMargins[0] && offset < menuMargins[1])
	{
		mainObj.style.paddingLeft = mainPadding[1] + 'px';
			
		window.setTimeout(slideMenu, menuSpeed);
	}
	else
	{
		if (offset <= menuMargins[0])
		{
			mainObj.style.paddingLeft = mainPadding[0] + 'px';
			
			menuObj.onclick = menuOC;
			menuObj.style.cursor = 'pointer';
		}
		else
		{
			menuObj.onclick = null;
			menuObj.style.cursor = 'default';
		}
	}
}


function addPngBackground(oname, iname)
{
	objMyImg = new OpacityObject(oname, iname);
	objMyImg.setBackground();
}


function menuInit()
{
	// Common initialization
	commonInit();
	
	// PNG Behaviour
	addPngBackground('headleft',	'http://www.cellulotto.org/images/bg-top-left');
	addPngBackground('headright',	'http://www.cellulotto.org/images/bg-top-right');
	addPngBackground('footleft',	'http://www.cellulotto.org/images/bg-bottom-left');
	addPngBackground('footright',	'http://www.cellulotto.org/images/bg-bottom-right');
	
	// Menus init
	menuOpen = true;
	
	menuObj = document.getElementById('menu');
	mainObj = document.getElementById('w2');
	
	if (!(menuObj && mainObj))
		return;
	
	// PNG Behaviour for menus
	addPngBackground('menutop',		'http://www.cellulotto.org/images/menu-top');
	addPngBackground('menucontent',	'http://www.cellulotto.org/images/menu-middle');
	addPngBackground('menubottom',	'http://www.cellulotto.org/images/menu-bottom');
	
	// Menus start
	mainObj.style.paddingLeft = mainPadding[1] + 'px';
	
	menuObj.style.left = menuMargins[1] + 'px';
	menuObj.style.visibility = 'visible';
}


onload = menuInit;