// the number you pass to initLeft doesn't matter since it will get
		// changed onactivate
		var myMenu1 = new ypSlideOutMenu("menu1", "down", -1000, 180, 239, 500)
     
    // 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, -129); }

    // 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
      var fix = 0;
      switch (BrowserDetect.browser)
      {
      		case 'Opera':
      		case 'Safari':
      			fix = 1;
      		break;
      }
      if(BrowserDetect.OS == 'Mac')
      {
      	if(BrowserDetect.browser != 'Opera')
      	{
      		fix += 1;
      	}
      }
			menu.container.style.left = (newLeft+fix) + "px";
			
		}
		 
    // this function calculates the window's width - different for IE and netscape
		function getWindowWidth()
		{
			return window.innerWidth ? window.innerWidth : document.body.offsetWidth;
		}	

    ypSlideOutMenu.writeCSS();