var myMenu1 = new ypSlideOutMenu("menu1", "down", -1000, 101, 160, 200)
var myMenu2 = new ypSlideOutMenu("menu2", "down", -1000, 101, 160, 200)
var myMenu3 = new ypSlideOutMenu("menu3", "down", -1000, 101, 160, 200)
var myMenu4 = new ypSlideOutMenu("menu4", "down", -1000, 101, 160, 200)

// a menü ablakok vizszintes helyzetének pozicionálása
myMenu1.onactivate = function() { repositionMenu(myMenu1, -421); }
myMenu2.onactivate = function() { repositionMenu(myMenu2, -272); }
myMenu3.onactivate = function() { repositionMenu(myMenu3, -123); }
myMenu4.onactivate = function() { repositionMenu(myMenu4, 26); }

// this function repositions a menu to the speicified offset from center
function repositionMenu(menu, offset) {
	// the new left position should be the center of the window + the offset
	var newLeft = getWindowWidth() / 2 + offset;
	
	// setting the left position in netscape is a little different than IE
	menu.container.style ? menu.container.style.left = newLeft + "px" : menu.container.left = newLeft;
}

// this function calculates the window's width - different for IE and netscape
function getWindowWidth() {
	return window.innerWidth ? window.innerWidth : document.body.offsetWidth;
}

//ypSlideOutMenu.writeCSS();