// the number you pass to initLeft doesn't matter since it will get
		// changed onactivate
		var myMenu1 = new ypSlideOutMenu("menu1", "down", -1000, 155, 225, 200)
		var myMenu2 = new ypSlideOutMenu("menu2", "down", -1000, 155, 225, 200)
     
    // for each menu, we set up hte onactivate event to call repositionMenu with the amount offset from center, in pixels
		myMenu1.onactivate = function() { repositionMenu(myMenu1, -180); }
		myMenu2.onactivate = function() { repositionMenu(myMenu2, 55); }

    // 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();