function showtip (v) {
						if (document.all[v]) {
				var sw = document.body.clientWidth;
				var sh = document.body.clientHeight;
				var dw = document.all[v].clientWidth;
				var dh = document.all[v].clientHeight;
				var cx = self.event.clientX;
				var cy = self.event.clientY;
				if (sw < cx+dw+20) cx=sw-dw-20;
				if (sh < cy+dh+20) cy=sh-dh-20;
				document.all[v].style.top=cy+document.body.scrollTop+15;
				document.all[v].style.left=cx+document.body.scrollLeft+10;
				document.all[v].style.visibility='visible';
			}
						return false;
		}
		function hidetip (v) {
						if (document.all[v]) {
				document.all[v].style.visibility='hidden';
			}
					}