var currentLi = null;
var timer = null;
var ie7HideDelay = 200;
$(function(){
	if($.browser.msie){
		$('ul#main-nav > li').each(function(){
			$(this).mouseover(function(){
				$(this).addClass('sfhover');
				if($.browser.version.substr(0,1) == "7"){
					if(timer != null){
						clearTimeout(timer);
					}
					currentLi = this;
					timer = setTimeout( "clearDropdowns()", ie7HideDelay);
				}
			}).mouseout(function(){
				$(this).removeClass('sfhover');
			});
		});
		if($.browser.version.substr(0,1) == "7"){
			$('ul#main-nav a').each(function(){
				$(this).mouseover(function(){
					if(timer != null){
						clearTimeout(timer);
					}
					timer = setTimeout( "clearDropdowns()", ie7HideDelay);
				});
			});
		}
		$('ul#main-nav > li').mouseout(function(){
			$('ul#main-nav > li').removeClass('sfhover');
		});
	}
});

function clearDropdowns(){
	$(currentLi).removeClass('sfhover');
}