// create dd menus
var myMenu1 = new ypSlideOutMenu("menu1", "down", 0, 27, 143, 100);
var myMenu2 = new ypSlideOutMenu("menu2", "down", 0, 27, 143, 150);
var myMenu3 = new ypSlideOutMenu("menu3", "down", 0, 27, 143, 150);
var myMenu4 = new ypSlideOutMenu("menu4", "down", 0, 27, 143, 100);


// assign events to dd menus
var pos=0;
myMenu1.onactivate = function() { repositionMenu(myMenu1, 0); }
myMenu2.onactivate = function() { repositionMenu(myMenu2, 153); }
myMenu3.onactivate = function() { repositionMenu(myMenu3, 153+153); }
myMenu4.onactivate = function() { repositionMenu(myMenu4, 153+153+153); }

// functions for the calculation of menus
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;
}

// write css for the menus
ypSlideOutMenu.writeCSS();