/*
		Image w/ description tooltip- By Dynamic Web Coding (www.dyn-web.com)
		Copyright 2002 by Sharon Paine
		Visit http://www.dynamicdrive.com for this script
		*/

		/* IMPORTANT: Put script after tooltip div or
			 put tooltip div just before </body>
                 */

		var dom = (document.getElementById) ? true : false;
		var ns5 = ((navigator.userAgent.indexOf("Gecko")>-1) && dom) ? true: false;
		var ie5 = ((navigator.userAgent.indexOf("MSIE")>-1) && dom) ? true : false;
		var ns4 = (document.layers && !dom) ? true : false;
		var ie4 = (document.all && !dom) ? true : false;
		var nodyn = (!ns5 && !ns4 && !ie4 && !ie5) ? true : false;

		// resize fix for ns4
		var origWidth, origHeight;
		if (ns4) {
			origWidth = window.innerWidth; origHeight = window.innerHeight;
			window.onresize = function() { if (window.innerWidth != origWidth || window.innerHeight != origHeight) history.go(0); }
		}

		// avoid error of passing event object in older browsers
		if (nodyn) { event = "nope" }

		///////////////////////  CUSTOMIZE HERE   ////////////////////
		// settings for tooltip
		// Do you want tip to move when mouse moves over link?
		var tipFollowMouse= false;
		// Be sure to set tipWidth wide enough for widest image
		var tipWidth= 0;
		var offX= 5;	// how far from mouse to show tip
		var offY= -200;
		var tipFontFamily= "Verdana, arial, helvetica, sans-serif";
		var tipFontSize= "8pt";
		// set default text color and background color for tooltip here
		// individual tooltips can have their own (set in messages arrays)
		// but don't have to
		var tipFontColor= "#000000";
		var tipBgColor= "";
		var tipBorderColor= "";
		var tipBorderWidth= 0;
		var tipBorderStyle= "none";
		var tipPadding= 0;


		// preload images that are to appear in tooltip
		// from arrays above
		if (document.images) {
			var theImgs = new Array();
			for (var i=0; i<messages.length; i++) {
			theImgs[i] = new Image();
				theImgs[i].src = messages[i][0];
		  }
		}

		// to layout image and text, 2-row table, image centered in top cell
		// these go in var tip in doTooltip function
		// startStr goes before image, midStr goes between image and text
		var startStr = '<table width="' + tipWidth + '"><tr><td align="center" width="100%"><img src="';
		var midStr = '" border="1"></td></tr><tr><td valign="top">';
		var endStr = '</td></tr></table>';

		////////////////////////////////////////////////////////////
		//  initTip	- initialization for tooltip.
		//		Global variables for tooltip.
		//		Set styles for all but ns4.
		//		Set up mousemove capture if tipFollowMouse set true.
		////////////////////////////////////////////////////////////
		var tooltip, tipcss;
		function initTip() {
			if (nodyn) return;
			tooltip = (ns4)? document.tipDiv.document: (ie4)? document.all['tipDiv']: (ie5||ns5)? document.getElementById('tipDiv'): null;
			tipcss = (ns4)? document.tipDiv: tooltip.style;
			if (ie4||ie5||ns5) {	// ns4 would lose all this on rewrites
				tipcss.width = tipWidth+"px";
				tipcss.fontFamily = tipFontFamily;
				tipcss.fontSize = tipFontSize;
				tipcss.color = tipFontColor;
				tipcss.backgroundColor = tipBgColor;
				tipcss.borderColor = tipBorderColor;
				tipcss.borderWidth = tipBorderWidth+"px";
				tipcss.padding = tipPadding+"px";
				tipcss.borderStyle = tipBorderStyle;
			}
			if (tooltip&&tipFollowMouse) {
				if (ns4) document.captureEvents(Event.MOUSEMOVE);
				document.onmousemove = trackMouse;
			}
		}

		window.onload = initTip;

		/////////////////////////////////////////////////
		//  doTooltip function
		//			Assembles content for tooltip and writes
		//			it to tipDiv
		/////////////////////////////////////////////////
		var t1,t2;	// for setTimeouts
		var tipOn = false;	// check if over tooltip link
		function doTooltip(evt,num) {
			if (!tooltip) return;
			if (t1) clearTimeout(t1);	if (t2) clearTimeout(t2);
			tipOn = true;
			// set colors if included in messages array
			if (messages[num][2])	var curBgColor = messages[num][2];
			else curBgColor = tipBgColor;
			if (messages[num][3])	var curFontColor = messages[num][3];
			else curFontColor = tipFontColor;
			if (ns4) {
				var tip = '<table bgcolor="' + tipBorderColor + '" width="' + tipWidth + '" cellspacing="0" cellpadding="' + tipBorderWidth + '" border="0"><tr><td><table bgcolor="' + curBgColor + '" width="100%" cellspacing="0" cellpadding="' + tipPadding + '" border="0"><tr><td>'+ startStr + messages[num][0] + midStr + '<span style="font-family:' + tipFontFamily + '; font-size:' + tipFontSize + '; background:#FFFFFF; color:' + curFontColor + ';">' + messages[num][1] + '</span>' + endStr + '</td></tr></table></td></tr></table>';

				tooltip.write(tip);
				tooltip.close();
			} else if (ie4||ie5||ns5) {
				var tip = '<table bgcolor="0" bgcolor="#FFFFFF"><tr><td>' + startStr + messages[num][0] + midStr + '<span style="font-family:' + tipFontFamily + '; background:#000000; font-size:' + tipFontSize + '; color:#FFFFFF;">' + messages[num][1] + '</span>' + endStr + '</tr></td></table>';
				tipcss.backgroundColor = curBgColor;
				tooltip.innerHTML = tip;
			}
			if (!tipFollowMouse) positionTip(evt);
			else t1=setTimeout("tipcss.visibility='visible'",100);
		}

		var mouseX, mouseY;
		function trackMouse(evt) {
			mouseX = (ns4||ns5)? evt.pageX: window.event.clientX + document.body.scrollLeft;
			mouseY = (ns4||ns5)? evt.pageY: window.event.clientY + document.body.scrollTop;
			if (tipOn) positionTip(evt);
		}

		/////////////////////////////////////////////////////////////
		//  positionTip function
		//		If tipFollowMouse set false, so trackMouse function
		//		not being used, get position of mouseover event.
		//		Calculations use mouseover event position,
		//		offset amounts and tooltip width to position
		//		tooltip within window.
		/////////////////////////////////////////////////////////////
		function positionTip(evt) {

                         var tt_db = (document.compatMode && document.compatMode != "BackCompat")? document.documentElement : document.body? document.body : null,
	                  tt_n = navigator.userAgent.toLowerCase(),
	                  tt_nv = navigator.appVersion;

			if (!tipFollowMouse) {
				mouseX = (ns4||ns5)? evt.pageX: window.event.clientX + tt_db.scrollLeft;
				mouseY = (ns4||ns5)? evt.pageY: window.event.clientY + tt_db.scrollTop;
			}


			// tooltip width and height
			var tpWd = (ns4)? tooltip.width: (ie4||ie5)? tooltip.clientWidth: tooltip.offsetWidth;
			var tpHt = (ns4)? tooltip.height: (ie4||ie5)? tooltip.clientHeight: tooltip.offsetHeight;
			// document area in view (subtract scrollbar width for ns)
			var winWd = (ns4||ns5)? window.innerWidth-20+window.pageXOffset: document.body.clientWidth+document.body.scrollLeft;
			var winHt = (ns4||ns5)? window.innerHeight-20+window.pageYOffset: document.body.clientHeight+document.body.scrollTop;
			// check mouse position against tip and window dimensions
			// and position the tooltip
			if ((mouseX+offX+tpWd)>winWd)
				tipcss.left = (ns4)? mouseX-(tpWd+offX): mouseX-(tpWd+offX)+"px";
			else tipcss.left = (ns4)? mouseX+offX: mouseX+offX+"px";
			if ((mouseY+offY+tpHt)>winHt)
				tipcss.top = (ns4)? winHt-(tpHt+offY): winHt-(tpHt+offY)+"px";
			else tipcss.top = (ns4)? mouseY+offY: mouseY+offY+"px";
			if (!tipFollowMouse) t1=setTimeout("tipcss.visibility='visible'",100);
		}

		function hideTip() {
			if (!tooltip) return;
			t2=setTimeout("tipcss.visibility='hidden'",100);
			tipOn = false;
		}