// 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

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= 200;
var offX= 20;	// how far from mouse to show tip
var offY= 12;
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= "#0000FF";
var tipBgColor= "#DDECFF";
var tipBorderColor= "#0000FF";
var tipBorderWidth= 3;
var tipBorderStyle= "groove";
var tipPadding= 4;

// tooltip content goes here (image, description, optional bgColor, optional textcolor)
var messages = new Array();
// multi-dimensional arrays containing: 
// image and text for tooltip
// optional: bgColor and color to be sent to tooltip
messages[0] = new Array('../images/tt_sc_fwhome.png','This is an indexed collection of FREE programs commonly found on the Internet around the globe. Lots of freeware and opensource, not too much nag-screen shareware',"#DDECFF");
messages[1] = new Array('../images/tt_sc_xtort.png','Xtort.net offers daily updates of hundreds of pages which list thousands of freeware alternatives to expensive software for Windows. Every software program listed on this site is freeware.',"#DDECFF");
messages[2] = new Array('../images/tt_sc_nirsoft.png','NirSoft web site provides a unique collection of small and useful freeware utilities, all of them developed by Nir Sofer. These utilities are really extremely useful.',"#DDECFF");
messages[3] = new Array('../images/tt_sc_sysint.png','The Sysinternals web site provides you with advanced utilities, technical information, and source code related to Windows internals that you wont find anywhere else.',"#DDECFF");
messages[4] = new Array('../images/tt_sc_csszen.png','Zengarden is a showcase of what is possible with CSS stylesheet. The basis is one HTML-file and this site lists numerous CSS-files to change the look.',"#DDECFF");
messages[5] = new Array('../images/tt_sc_rainy.png','Home of Rainlendar and Rainmeter, 2 widgets-program for Windows, very adjustable.',"#DDECFF");
messages[6] = new Array('../images/tt_sc_berlios.png','An open-source, cross-platform multimedia player and library.',"#DDECFF");
messages[7] = new Array('../images/tt_sc_xpy.png','Small tool which disables the default threats of a Windows XP installation. Besides disabling Windows and some of its components to communicate with Microsoft servers, xpy improves privacy settings and your system’s security.',"#DDECFF");
messages[8] = new Array('../images/tt_sc_sofotex.png','Sofotex links to categorized software, this page points to the freeware section.',"#DDECFF");
messages[9] = new Array('../images/tt_sc_barcode.png','This French guy documented a large number of barcode-systems and also made software to generate them.',"#DDECFF");
messages[10] = new Array('../images/tt_sc_ubcd.png','UBCD4Win is a bootable CD which contains software that allows you to repair, restore, or diagnose almost any computer problem.',"#DDECFF");
messages[11] = new Array('../images/tt_sc_dwlite.png','The complete freeware DesignWorkshop Lite software package provides all you need to build your own 3D models for home design and visualization of architecture, landscapes, exhibits, or any kind of spatial design.',"#DDECFF");
messages[12] = new Array('../images/tt_sc_wolfram.png','Wolfram Tones generates random music which is based on music theory and algorithms.',"#DDECFF");
messages[13] = new Array('../images/tt_sc_mambo.png','Mambo is an opensource Webpage Content Management System.',"#DDECFF");
messages[14] = new Array('../images/tt_sc_dafont.png','Hundreds of free fonts to download. Good previews and categorized.',"#DDECFF");

////////////////////  END OF CUSTOMIZATION AREA  ///////////////////

// 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 + '; 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 = startStr + messages[num][0] + midStr + '<span style="font-family:' + tipFontFamily + '; font-size:' + tipFontSize + '; color:' + curFontColor + ';">' + messages[num][1] + '</span>' + endStr;
		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) {
	if (!tipFollowMouse) {
		mouseX = (ns4||ns5)? evt.pageX: window.event.clientX + document.body.scrollLeft;
		mouseY = (ns4||ns5)? evt.pageY: window.event.clientY + document.body.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;
//      ----------------------------------------------
//      Determine windowwidth/height
//      ----------------------------------------------
        if( typeof( window.innerWidth ) == 'number' )
        {
        // Non-IE
        winWd = window.innerWidth;
        winHt = window.innerHeight;
        } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
        // IE 6&#43 in 'standards compliant mode'
        winWd = document.documentElement.clientWidth;
        winHt = document.documentElement.clientHeight;
        } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
        // IE 4 compatible
        WinWd = document.body.clientWidth;
        winHt = document.body.clientHeight;
        }
//      ----------------------------------------------
	// 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;
}