initMenu = function() { 
	
	// only needed for IE 6 and below
	// other browsers use pure CSS
	if (navigator.appName == 'Microsoft Internet Explorer')
	{
		var ua = navigator.userAgent;
		var re  = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
		if (re.exec(ua) != null)
			version = parseInt( RegExp.$1 );
  	
		if ( version < 7 ) 
		{ 
			var listItems = $$('#sections li');
			for (var i=0; i < listItems.length; i++) 
			{
				listItems[i].onmouseover = function() 
				{
					this.addClassName( 'over' );
				}
				listItems[i].onmouseout = function() 
				{
					this.removeClassName( 'over' );
				}
			}
		}
	}
}
addLoadEvent( initMenu );