var ua = navigator.userAgent.toLowerCase(); 
var browser,version,data; 
function detect(text) {
	stringposition = ua.indexOf(text) + 1;
	data = text;
	return stringposition;
} 


$(document).ready(function() {
    if (detect('msie')) browser = 'Internet Explorer';
		if (!version) version = ua.charAt(stringposition + data.length);
		if (browser == 'Internet Explorer' && (version >= 5 && version <=6)) {	
				
			$('.bottom').css({backgroundImage:"none"});
			$('.bottom').css({filter:"progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true, sizingMethod='image', src='http://server/graende08/grafica/layout/bg_bottomMS.png')"});
			$('.bottom').css({backgroundPosition:"bottom left"});
			$('.bottom').css({bottom:"-24px"});
		}
		
	$("#menutop ul ul").hide();
	
	
	var toggle = function(direction, display) {
		return function() {
		  var self = this;
		 // var ul = $("ul", this);
		 var ul = $(this).children("ul");
		  if( ul.css("display") == display && !self["block" + direction] ) {
			self["block" + direction] = true;
			ul["slide" + direction](300, function() {
			  self["block" + direction] = false;
			});
		  }
		};
	  }


	$("#menutop ul li").hover(toggle("Down", "none"), toggle("Up", "block"));


});// document ready