[nerbert]

Try out these and see if you get reliable closing of the drop boxes;

		function hideInfo(event, id) { 
			mouseY=is_ie?
			event.clientY+document.documentElement.scrollTop -document.documentElement.clientTop :
			event.pageY;
			mouseX=is_ie?
			event.clientX+document.documentElement.scrollLeft-document.documentElement.clientLeft:
			event.pageX;
			a=fetch_object('threadnav').parentNode.offsetTop;
			b=fetch_object('threadnav').offsetTop;
			c=fetch_object('threadnav').parentNode.offsetLeft;
			d=fetch_object('name_'+id).parentNode.offsetLeft;
			y1=a+b+26
			y2=a+b+40+98
			x1=c+d-list.scrollLeft;
			x2=x1+width;
			if(mouseY<=y1||mouseX<=x1||mouseX>=x2||mouseY>=y2) {
				fetch_object('info_'+id).style.display='none';
				clearTimeout(hoverDelay[id]);
				nodelay=0;
				border='0px solid transparent';
				fetch_object('name_'+id).style.borderBottom=border;
			}
		}
	
		function hidePrev(event, id) { 
			mouseY=is_ie?
			event.clientY+document.documentElement.scrollTop -document.documentElement.clientTop :
			event.pageY;
			mouseX=is_ie?
			event.clientX+document.documentElement.scrollLeft-document.documentElement.clientLeft:
			event.pageX;
			a=fetch_object('threadnav').parentNode.offsetTop;
			b=fetch_object('threadnav').offsetTop;
			c=fetch_object('threadnav').parentNode.offsetLeft;
			d=fetch_object('name_'+id).parentNode.offsetLeft;
			y1=a+b+26+14
			y2=a+b+40+98
			x1=c+d-list.scrollLeft-18;
			x2=x1+width+18;
			if(mouseY<=y1||mouseX<=x1||mouseX>=x2||mouseY>=y2) {
				fetch_object('prev_'+id).style.display='none';
				clearTimeout(hoverDelay[id]);
				nodelay=0;
				border='0px solid transparent';
				fetch_object('name_'+id).style.borderBottom=border;
			}
		}