/*
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= 160;
var offX= 0;	// how far from mouse to show tip
var offY= 0;
var tipFontFamily= "Verdana, Geneva, 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= "#333333";
var tipBgColor= "#D8E3AD";
var tipBorderColor= "#D8E3AD";
var tipBorderWidth= 1;
var tipBorderStyle= "solid";
var tipPadding= 0;

// 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('Curbside Recycling Info','Find information on curb-side recycling.','');
messages[1] = new Array('Green Building Resources','Learn how green building benefits the environment, the economy, human health and the community.','');
messages[2] = new Array('Tire Recycling Info','Learn about the importance of tire recycling.','');
messages[3] = new Array('Used Oil Recycling Info','Learn about the importance of oil recycling and what you need to know to participate.','');
messages[4] = new Array('Hazardous Waste Info','Learn about household hazardous waste and why it poses a danger to you and the environment.','');
messages[5] = new Array('Electronics Recycling Info','Learn about electronic waste and how to reduce this waste from landfills.','');
messages[6] = new Array('Recycling Drop-off Info','Find information on drop-off recycling programs here.','');
messages[7] = new Array('Construction/Demolition Materials Recycling Info','Learn more about construction and demolition waste and proper disposal of these materials.','');
messages[8] = new Array('Materials Exchanges, Swap Shops & Thrift Stores','Check out links for great places to find previously used items.','');
messages[9] = new Array('Backyard Composting & Yard Materials Info','Find how to set out tree limbs, leaves and grass clippings and learn more about backyard composting techniques.','');
messages[10] = new Array('Garbage Collection Info','Find out how to reduce your landfill impact at home and at work.','');
messages[11] = new Array('Government Sustainability Initiatives','Find information on national and state environmental laws and regulations.','');
messages[12] = new Array('Environmental Message Board','Forum for visitors to MyEcoville to discuss environmental topics.','');
messages[13] = new Array('Buying Recycled and Green Products','A compiled list on links to popular online stores focusing on green products','');
messages[14] = new Array('Business & Office Recycling Info','Learn how to start an office recycling program.','');
messages[15] = new Array('Agriculture Waste & Recycling Info','Find information on agricultural waste.','');
messages[16] = new Array('Events','View the Calendar of Environmental Events.','');
messages[17] = new Array('Environmental Education Resources for Teachers and Students','Visit the links in the Educators and Students sections for more information on recycling, waste management and other environmental topics..','');
messages[18] = new Array('Library of Environmental Publications and Reports','Find a variety of publications on a wide range of environmental topics.','');
messages[19] = new Array('News','Read current news on the Environment and Climate.','');
messages[20] = new Array('Renewable Energy/Energy Conservation','Learn about renewable energy technologies and how you can save energy.','');
messages[21] = new Array('Water Conservation Tips and Policies','Learn how you can save water at home, outside and while shopping.','');
messages[22] = new Array('Green Transportation and Commuting Opportunities','Learn more about the types of green transportation available to you.','');
messages[23] = new Array('Food Residuals Diversion','Visit the link to the Food Residuals Diversion website.','');
messages[24] = new Array('Recycle Savannah','Recycle Savannah is an effective tool to conserve natural resources, preserve energy, reduce pollution, create revenue, and save on landfill space.','');
messages[25] = new Array('Radon Gas Reduction','View the guide on awareness and reduction of radon gas.','');
messages[26] = new Array('Recycle 4 Georgia','Recycle 4 Georgia is a new state-wide recycling campaign organized by the Georgia Department of Community Affairs Office of Environmental Management.','');


////////////////////  END OF CUSTOMIZATION AREA  ///////////////////
// 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 = '<h4>';
var midStr = '</h4><p>';
var endStr = '</p>';

////////////////////////////////////////////////////////////
//  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;
	
	if (tooltip)
	{
		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 = '<h4>' + startStr + messages[num][0] + midStr + messages[num][1] + endStr + '</p>';
		tooltip.write(tip);
		tooltip.close();
	} else if (ie4||ie5||ns5) 
	{
		var tip = startStr + messages[num][0] + midStr + messages[num][1] + endStr;
		tipcss.backgroundColor = curBgColor;
		tooltip.innerHTML = tip;
	}
	//xWH if (!tipFollowMouse) positionTip(evt);
	//xwH else t1=setTimeout("tipcss.visibility='visible'",100);
	
	// Replace the <dynamic_location> tag with the appropriate playlist
	if (document.all)
	{
		dynamic_location.innerHTML=tip;
	}

	document.getElementById("dynamic_location").innerHTML=tip;
}

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 = 760; //xWH (ns4||ns5)? evt.pageX: window.event.clientX + document.body.scrollLeft;
		mouseY = 250; //xWH (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;
	
	// 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;
}