function findLivePageHeight() {
		if (window.innerHeight != null)
			return window.innerHeight;
		if (document.body.clientHeight != null)
			return document.body.clientHeight;
		return (null); 
	}

	function findLivePageWidth() {
		if (window.innerWidth != null)
			return window.innerWidth;
		if (document.body.clientWidth != null)
			return document.body.clientWidth;
		return (null); 
	}

	function popUp(evt, objectID) {
		if (isDHTML) {
			var livePageWidth = findLivePageWidth();
			domStyle = findDOM(objectID, 1);
			dom = findDOM(objectID, 0);
			state = domStyle.visibility;

			if (dom.offsetWidth) elemWidth = dom.offsetWidth;
			else { if (dom.clipWidth) elemWidth = dom.clip.width; }

			if (state == "visible" || state == "show") { domStyle.visibility = "hidden"; }
			else {
				if (evt.pageY) {
					topVal = evt.pageY + 4;
					leftVal = evt.pageX - (elemWidth / 2);
				}
				else {
					if (evt.y) {
						topVal = evt.y + 4 + document.body.scrollTop;
						leftVal = evt.x - (elemWidth / 2) + document.body.scrollLeft;
					}
				}
				if (leftVal < 2) { leftVal = 2; }
				else {
					if ((leftVal + elemWidth) > livePageWidth) { leftVal = leftVal - (elemWidth / 2); }
				}
				domStyle.top = topVal; // positions the element from the top
				domStyle.left = leftVal; // positions the element fromt the left
				domStyle.visibility = "visible"; //shows it
			}
		}
	}