/***********************************************
* Image w/ description tooltip- By Dynamic Web Coding (www.dyn-web.com)
* Copyright 2002-2007 by Sharon Paine
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/

/* 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= true;
// Be sure to set tipWidth wide enough for widest image
var tipWidth= 160;
var offX= 20; // how far from mouse to show tip
var offY= 12;
var tipFontFamily= "Verdana, arial, helvetica, sans-serif";
var tipFontSize= "11px";
// 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= "#FFFFFF";
var tipBgColor= "#001000";
var tipBorderColor= "#909090";
var tipBorderWidth= 3;
var tipBorderStyle= "ridge";
var tipPadding= 4;

//////////////////// END OF CUSTOMIZATION AREA ///////////////////

/**
*
*  URL encode / decode
*
**/

var Url = {

	// public method for url encoding
	encode : function (string) {
		return escape(this._utf8_encode(string));
	},

	// public method for url decoding
	decode : function (string) {
		return this._utf8_decode(unescape(string));
	},

	// private method for UTF-8 encoding
	_utf8_encode : function (string) {
		string = string.replace(/\r\n/g,"\n");
		var utftext = "";

		for (var n = 0; n < string.length; n++) {

			var c = string.charCodeAt(n);

			if (c < 128) {
				utftext += String.fromCharCode(c);
			}
			else if((c > 127) && (c < 2048)) {
				utftext += String.fromCharCode((c >> 6) | 192);
				utftext += String.fromCharCode((c & 63) | 128);
			}
			else {
				utftext += String.fromCharCode((c >> 12) | 224);
				utftext += String.fromCharCode(((c >> 6) & 63) | 128);
				utftext += String.fromCharCode((c & 63) | 128);
			}

		}

		return utftext;
	},

	// private method for UTF-8 decoding
	_utf8_decode : function (utftext) {
		var string = "";
		var i = 0;
		var c = c1 = c2 = 0;

		while ( i < utftext.length ) {

			c = utftext.charCodeAt(i);

			if (c < 128) {
				string += String.fromCharCode(c);
				i++;
			}
			else if((c > 191) && (c < 224)) {
				c2 = utftext.charCodeAt(i+1);
				string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
				i += 2;
			}
			else {
				c2 = utftext.charCodeAt(i+1);
				c3 = utftext.charCodeAt(i+2);
				string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
				i += 3;
			}

		}

		return string;
	}
}

function URLDecode(psEncodeString)
{
  // Create a regular expression to search all +s in the string
  var lsRegExp = /\+/g;
  // Return the decoded string
  return unescape(String(psEncodeString).replace(lsRegExp, " "));
}

////////////////////////////////////////////////////////////
// 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 initPopup() {
	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 = initPopup;

/////////////////////////////////////////////////
// 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 doPopup(evt, title, text, screen, width)
{
	if (!tooltip) return;
	if (t1) clearTimeout(t1); if (t2) clearTimeout(t2);
	tipOn = true;

	var titleText = URLDecode(title);
	var textText = URLDecode(text);

	if (ns4)
	{
		var tip = '<table width="' + width + '" cellspacing="0" cellpadding="0">';
		tip = tip + '<tr><td><span style="font-family:' + tipFontFamily + '; font-size:' + tipFontSize + '; color:' + tipFontColor + ';">';
		tip = tip + '<strong>' + titleText + '</strong></span></td></tr>';
		tip = tip + '<tr><td><span style="font-family:' + tipFontFamily + '; font-size:' + tipFontSize + '; color:' + tipFontColor + ';">';
		tip = tip + textText + '</span><br/><br/></td></tr>';
		tip = tip + '<tr><td align="center" width="100%"><img alt="' + titleText + '" src="' + screen + '" border="0"/></td></tr></table>';

		//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 + '; 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 width="' + width + '" cellspacing="0" cellpadding="0">';
		tip = tip + '<tr><td><span style="font-family:' + tipFontFamily + '; font-size:' + tipFontSize + '; color:' + tipFontColor + ';">';
		tip = tip + '<strong>' + titleText + '</strong></span></td></tr>';
		tip = tip + '<tr><td><span style="font-family:' + tipFontFamily + '; font-size:' + tipFontSize + '; color:' + tipFontColor + ';">';
		tip = tip + textText + '</span><br/><br/></td></tr>';
		tip = tip + '<tr><td align="center" width="100%"><img alt="' + titleText + '" src="' + screen + '" border="0"/></td></tr></table>';


		tipcss.width = width+"px";
		tipcss.backgroundColor = tipBgColor;
		tooltip.innerHTML = tip;
	}

	if (!tipFollowMouse) positionTip(evt);
	else t1=setTimeout("tipcss.visibility='visible'",1);
}

var mouseX, mouseY;
function trackMouse(evt)
{
	standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body //create reference to common "body" across doctypes
	mouseX = (ns4||ns5)? evt.pageX: window.event.clientX + standardbody.scrollLeft;
	mouseY = (ns4||ns5)? evt.pageY: window.event.clientY + standardbody.scrollTop;
	if (tipOn) positionPopup(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 positionPopup(evt) {
	if (!tipFollowMouse) {
		standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body
		mouseX = (ns4||ns5)? evt.pageX: window.event.clientX + standardbody.scrollLeft;
		mouseY = (ns4||ns5)? evt.pageY: window.event.clientY + standardbody.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: standardbody.clientWidth+standardbody.scrollLeft;
	var winHt = (ns4||ns5)? window.innerHeight-20+window.pageYOffset: standardbody.clientHeight+standardbody.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'",1);
}

function hidePopup()
{
	if (!tooltip) return;
	t2=setTimeout("tipcss.visibility='hidden'",1);
	tipOn = false;
}



document.write('<div id="tipDiv" style="position:absolute; visibility:hidden; z-index:100"></div>')
