// Initialize default values
	var room = "";
	var roomColumns = 0;
	var whatRoom = new Array("Pantry", "KidsRoom", "Hallway", "Laundry", "LivingRoom", "Bedroom", "Kitchen", "Office", "Bathroom", "DiningRoom", "Outdoor", "Garage");
	
	// Pantry
	var Pantrywattage = new Array(75, 60);
	var Pantrybulbs = new Array(0, 0);
	var Pantryhours = new Array(0.75, 0.75);
	var PantryListRef = new Array(0, 0);
	var Pantrysavings = 0;
	var Pantryco2savings = 0;
	var PantryImgColorize = 0;
	var PantryImgColor = "images/floorplan_2151681_01.gif";
	var PantryImgBW = "images/floorplan_2151681_01_bw.gif";

	// Kids' Room
	var KidsRoomwattage = new Array(40, 60, 60);
	var KidsRoombulbs = new Array(0, 0, 0);
	var KidsRoomhours = new Array(1.5, 1.5, 1.5);
	var KidsRoomListRef = new Array(0, 0, 0);
	var KidsRoomsavings = 0;
	var KidsRoomco2savings = 0;
	var KidsRoomImgColorize = 0;
	var KidsRoomImgColor = "images/floorplan_2151681_02.gif";
	var KidsRoomImgBW = "images/floorplan_2151681_02_bw.gif";

	// Hallway
	var Hallwaywattage = new Array(75, 40, 60);
	var Hallwaybulbs = new Array(0, 0, 0);
	var Hallwayhours = new Array(0.75, 0.75, 0.75);
	var HallwayListRef = new Array(0, 0, 0);
	var Hallwaysavings = 0;
	var Hallwayco2savings = 0;
	var HallwayImgColorize = 0;
	var HallwayImgColor = "images/floorplan_2151681_03.gif";
	var HallwayImgBW = "images/floorplan_2151681_03_bw.gif";

	// Laundry
	var Laundrywattage = new Array(60, 0);
	var Laundrybulbs = new Array(0, 0);
	var Laundryhours = new Array(0.75, 0);
	var LaundryListRef = new Array(0, 0); // this could be a problem
	var Laundrysavings = 0;
	var Laundryco2savings = 0;
	var LaundryImgColorize = 0;
	var LaundryImgColor = "images/floorplan_2151681_04.gif";
	var LaundryImgBW = "images/floorplan_2151681_04_bw.gif";

	// Living room
	var LivingRoomwattage = new Array(75, 40, 40, 60, 60);
	var LivingRoombulbs = new Array(0, 0, 0, 0, 0);
	var LivingRoomhours = new Array(2.5, 2.5, 2.5, 2.5, 2.5);
	var LivingRoomListRef = new Array(0, 0, 0, 0, 0);
	var LivingRoomsavings = 0;
	var LivingRoomco2savings = 0;
	var LivingRoomImgColorize = 0;
	var LivingRoomImgColor = "images/floorplan_2151681_05.gif";
	var LivingRoomImgBW = "images/floorplan_2151681_05_bw.gif";

	// Bedroom
	var Bedroomwattage = new Array(40, 60, 60);
	var Bedroombulbs = new Array(0, 0, 0);
	var Bedroomhours = new Array(1.5, 1.5, 1.5);
	var BedroomListRef = new Array(0, 0, 0);
	var Bedroomsavings = 0;
	var Bedroomco2savings = 0;
	var BedroomImgColorize = 0;
	var BedroomImgColor = "images/floorplan_2151681_06.gif";
	var BedroomImgBW = "images/floorplan_2151681_06_bw.gif";

	// Kitchen
	var Kitchenwattage = new Array(60, 75, 60, 40);
	var Kitchenbulbs = new Array(0, 0, 0, 0);
	var Kitchenhours = new Array(2.5, 2.5, 2.5, 2.5);
	var KitchenListRef = new Array(0, 0, 0, 0);
	var Kitchensavings = 0;
	var Kitchenco2savings = 0;
	var KitchenImgColorize = 0;
	var KitchenImgColor = "images/floorplan_2151681_07.gif";
	var KitchenImgBW = "images/floorplan_2151681_07_bw.gif";

	// Office
	var Officewattage = new Array(40, 60, 60);
	var Officebulbs = new Array(0, 0, 0);
	var Officehours = new Array(1.5, 1.5, 1.5);
	var OfficeListRef = new Array(0, 0, 0);
	var Officesavings = 0;
	var Officeco2savings = 0;
	var OfficeImgColorize = 0;
	var OfficeImgColor = "images/floorplan_2151681_08.gif";
	var OfficeImgBW = "images/floorplan_2151681_08_bw.gif";

	// Bathroom
	var Bathroomwattage = new Array(60, 60, 75, 60);
	var Bathroombulbs = new Array(0, 0, 0, 0);
	var Bathroomhours = new Array(0.75, 0.75, 0.75, 0.75);
	var BathroomListRef = new Array(0, 0, 0, 0);
	var Bathroomsavings = 0;
	var Bathroomco2savings = 0;
	var BathroomImgColorize = 0;
	var BathroomImgColor = "images/floorplan_2151681_09.gif";
	var BathroomImgBW = "images/floorplan_2151681_09_bw.gif";

	// Dining room
	var DiningRoomwattage = new Array(75, 60, 60, 40, 60);
	var DiningRoombulbs = new Array(0, 0, 0, 0, 0);
	var DiningRoomhours = new Array(1.5, 1.5, 1.5, 1.5, 1.5);
	var DiningRoomListRef = new Array(0, 0, 0, 0, 0);
	var DiningRoomsavings = 0;
	var DiningRoomco2savings = 0;
	var DiningRoomImgColorize = 0;
	var DiningRoomImgColor = "images/floorplan_2151681_10.gif";
	var DiningRoomImgBW = "images/floorplan_2151681_10_bw.gif";

	// Outdoors
	var Outdoorwattage = new Array(40, 60, 60, 100);
	var Outdoorbulbs = new Array(0, 0, 0, 0);
	var Outdoorhours = new Array(2.5, 2.5, 2.5, 2.5);
	var OutdoorListRef = new Array(0, 0, 0, 0);
	var Outdoorsavings = 0;
	var Outdoorco2savings = 0;
	var OutdoorImgColorize = 0;
	var OutdoorImgColor = "images/floorplan_2151681_11.gif";
	var OutdoorImgBW = "images/floorplan_2151681_11_bw.gif";

	// Garage
	var Garagewattage = new Array(75, 40);
	var Garagebulbs = new Array(0, 0);
	var Garagehours = new Array(1.5, 1.5);
	var GarageListRef = new Array(0, 0);
	var Garagesavings = 0;
	var Garageco2savings = 0;
	var GarageImgColorize = 0;
	var GarageImgColor = "images/floorplan_2151681_12.gif";
	var GarageImgBW = "images/floorplan_2151681_12_bw.gif";
	
	// total figures
	var Totalsavings = 0;
	var Totalco2savings = 0;
	
// Initialize calculation constants
	var initCFLCost = 3.40; // initial cost per CFL bulb, in dollars
	var CFLWattage = new Array(10, 15, 18, 25, 37); // watts
	var CFLBulbLife = new Array(6000, 8000, 10000, 12000); // hours
	var CFLLifetime = new Array(5, 7, 9, 11); // years

	var initConvCost = 0.60; // initial cost per conventional bulb, in dollars
	var ConvWattage = new Array(40, 60, 75, 100, 150); // watts
	var ConvBulbLife = new Array(750, 1000); // hours
	var ConvLifetime = new Array(0.7, 0.9); // years

	var LaborCost = 20; // in dollars, per hour
	var InstallLaborHours = 0.15; // in hours

	var HoursPerDay = 3;
	var DPY = 365; // days per year

	var CFLBulbRepl = new Array(0.18, 0.14, 0.11, 0.09); // CFL bulb replacements per year, by hours rating
	var ConvBulbRepl = new Array(1.46, 1.10); // conventional bulb replacements per year, by hours rating

	var DiscountRate = 0.04;

	var CommercialRate = 0.1030; // $/kWh
	var ResidentialRate = 0.1050; // $/kWh

	var CO2Ratio = 0.917; // lbs CO2/kWh
	
	var PoundsPerTon = 2000;
	
// Shopping list bulb array
	var ShoppingList=[["Twist 10W", 0], ["Twist 15W", 0], ["Twist 18W", 0], ["Twist 25W", 0], ["Twist 37W", 0], ["Mini-Twist 10W", 0], ["Mini-Twist 15W", 0], ["Mini-Twist 18W", 0], ["Mini-Twist 25W", 0], ["Mini-Twist 37W", 0], ["A-Line 10W", 0], ["A-Line 15W", 0], ["A-Line 18W", 0], ["A-Line 25W", 0], ["A-Line 37W", 0], ["Globe 10W", 0], ["Globe 15W", 0], ["Globe 18W", 0], ["Globe 25W", 0], ["Globe 37W", 0], ["Reflector 10W", 0], ["Reflector 15W", 0], ["Reflector 18W", 0], ["Reflector 25W", 0], ["Reflector 37W", 0], ["Dimmable 10W", 0], ["Dimmable 15W", 0], ["Dimmable 18W", 0], ["Dimmable 25W", 0], ["Dimmable 37W", 0]];
	
// Various functions
	function MM_preloadImages() { //v3.0
	  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
		var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
		if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
	}
	
	function MM_swapImgRestore(roomimg) { //v3.0
		if (eval(!window[roomimg+'Colorize'])) { // restore the image unless it's been 'colorized'
		  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
		}
	}
	
	function MM_findObj(n, d) { //v4.01
	  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
		d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
	  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
	  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
	  if(!x && d.getElementById) x=d.getElementById(n); return x;
	}
	
	function MM_swapImage() { //v3.0
		  var i,j=0,x,a=MM_swapImage.arguments;
		  document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
		   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
	}

	function MM_changeProp(objName,x,theProp,theValue) { //v6.0
	  var obj = MM_findObj(objName);
	  if (obj && (theProp.indexOf("style.")==-1 || obj.style)){
		if (theValue == true || theValue == false)
		  eval("obj."+theProp+"="+theValue);
		else eval("obj."+theProp+"='"+theValue+"'");
	  }
	}
	
	function BulbTempToggle() {
		BulbTempClass = document.getElementById('BulbTemp').className;
		BulbTempClass = (BulbTempClass == 'hideMe') ? 'showMe' : 'hideMe';
		document.getElementById('BulbTemp').className = BulbTempClass;
	}

	function classToggle(elem) {
		TempClass = document.getElementById(elem).className;
		TempClass = (TempClass == 'hideMe') ? 'showMe' : 'hideMe';
		document.getElementById(elem).className = TempClass;
	}

	function roundToQuarter(value) { // function courtesy of Code Ranch, http://www.coderanch.com
		var remain, roundvalue, result;
		var increment = .25;
		remain = value % increment; // this will be somewhere between 0 and .25
		roundvalue = increment / 2;
		
		if (remain >= roundvalue){ // rounding up
			result = value - remain;
			result += increment;
		}
		else { // rounding down
			result = value - remain;
		}
		return result;
	}

	function maxVal(elem,val) {
		var roundedValue = roundToQuarter(val);
		var maxValue = 24;
		if (roundedValue > maxValue) {
			MM_changeProp(elem,'','value',maxValue);
		} else {
			MM_changeProp(elem,'','value',roundedValue);
		}
	}
	
	function colorize(roomBulbs) {
		var whichButton = myLightWindow.element.parentNode.id+'Img';
		if (roomBulbs != 0) {
			window[whichButton+'Colorize'] = 1;
			MM_swapImage(whichButton,'',window[whichButton+'Color'],1);
		} else {
			window[whichButton+'Colorize'] = 0;
			MM_swapImage(whichButton,'',window[whichButton+'BW'],1);
		}
	}

	function initializeRoom(r,c) { // called from lightwindow.js when the room's Lightwindow comes up
		room = r; // save the room name in a global variable
		roomColumns = c; // save the number of room text box columns in a global variable
		var dropDownIndex = 0;
		var startingPos = 0;
		
		for(var i=0; i<c; i++) { // populate the initial values for the text boxes and drop-downs
			document.forms['frm'+room].elements[room+'wattage'+i].value = eval(room+'wattage')[i];
			document.forms['frm'+room].elements[room+'bulbs'+i].value = eval(room+'bulbs')[i];
			document.forms['frm'+room].elements[room+'hours'+i].value = eval(room+'hours')[i];
			// use "rel" from the relevant A to find the proper recommended CFL type in the CFL bulb array
			startingPos = MM_findObj('CFLEquivalent'+i).rel;
			dropDownIndex = document.forms['frm'+room].elements[room+'wattage'+i].selectedIndex + Number(startingPos);
			MM_changeProp('CFLEquivalent'+i,'','innerHTML',ShoppingList[dropDownIndex][0],'A');
		}
		// update the savings fields
		document.forms['frm'+room].elements[room+'savings'].value = eval(room+'savings').toFixed(2);
		document.forms['frm'+room].elements[room+'co2savings'].value = eval(room+'co2savings').toFixed(2);
		// place the cursor in the first field
		document.forms['frm'+room].elements[room+'bulbs0'].focus();
	}
	
	var Savings = 0;
	var CO2Savings = 0;

	function updateRoom() { // called every time a text field is changed
		Savings = 0;
		CO2Savings = 0;
		var ConvCost = 0;
		var ConvCO2 = 0;
		var CFLCost = 0;
		var CFLCO2 = 0;
		var dropDownIndex = 0;
		var startingPos = 0;
		
		// update all values for the room from the text fields
		for(i=0; i<roomColumns; i++) {
			// use "rel" from the relevant room A to find the proper recommended CFL type in the CFL bulb array
			startingPos = MM_findObj('CFLEquivalent'+i).rel;
			dropDownIndex = document.forms['frm'+room].elements[room+'wattage'+i].selectedIndex + Number(startingPos);
			eval(room+'ListRef')[i] = dropDownIndex; // save a pointer to the correct CFL bulb type in the shopping list array
			MM_changeProp('CFLEquivalent'+i,'','innerHTML',ShoppingList[dropDownIndex][0],'A'); // update "suggested CFL" label
			
			// grab the text box values temporarily
			var w = $F(room+'wattage'+i);
			var h = $F(room+'hours'+i);
			var b = $F(room+'bulbs'+i);
			
			// calculate changes...
			ConvCost = w/1000 * h * ResidentialRate * DPY * b;
			CFLCost = w/4/1000 * h * ResidentialRate * DPY * b;
			Savings += ConvCost - CFLCost;
			
			ConvCO2 = (w/1000 * h * DPY * b * CO2Ratio)/PoundsPerTon;
			CFLCO2 = (w/4/1000 * h * DPY * b * CO2Ratio)/PoundsPerTon;
			CO2Savings += ConvCO2 - CFLCO2;
		}

		// display calculated updates in the room savings fields
		document.forms['frm'+room].elements[room+'savings'].value = Savings.toFixed(2);
		document.forms['frm'+room].elements[room+'co2savings'].value = CO2Savings.toFixed(2);
		
	}
	
	function updateTotal() { // updates the main page shopping list and running totals
		// alert("updateTotal called");
		var roomBulbs = 0;

		for(i=0; i<roomColumns; i++) {
		//	alert("w: "+$F(room+'wattage'+i)+", h: "+$F(room+'hours'+i)+", b: "+$F(room+'bulbs'+i));
			
			eval(room+'wattage')[i] = $F(room+'wattage'+i); // store the text box values...
			eval(room+'bulbs')[i] = $F(room+'bulbs'+i);
			roomBulbs += eval(room+'bulbs')[i];
			eval(room+'hours')[i] = $F(room+'hours'+i);
		}

		// colorize the room button unless no bulbs will be switched out
		colorize(roomBulbs);

		// store the calculated savings in the room's global vars
		window[room+'savings'] = Savings;
		window[room+'co2savings'] = CO2Savings;

		// zero out the shopping list array...
		for(i=0; i<=29; i++) {
			ShoppingList[i][1] = 0;
		}

		// ...then, gather all the shopping list data
		for(i=0; i<12; i++) { // cycle through the room array, "whatRoom"
			// update shopping list array for the room
			var j = 0;
			var c = window[whatRoom[i]+'ListRef'].length; // grab the length of the room's ListRef array

			while (j < c)
			{
				ShoppingList[eval(whatRoom[i]+'ListRef')[j]][1] += Number(eval(whatRoom[i]+'bulbs')[j]);
				j++;
			}
		}

		// build shopping list for display and printing
		var shoppinglist = '<ul class="listCol">';
		//var k = 0;
		for(i=0; i<=29; i++) {
			if (ShoppingList[i][1] != 0) {
				shoppinglist += '<li><img src="images/checkBox.gif" width="9" height="9" hspace="3" class="printme" align="baseline"/> ' + ShoppingList[i][1] + ' x ' + ShoppingList[i][0] + '</li>';
				//++k;
				//if (k == 10) {
				//	shoppinglist += '</ul><ul class="listCol">';
				//	k = 0;
				//}
			}
		}
		shoppinglist += '</ul>';
		MM_changeProp('list','','innerHTML',shoppinglist,'DIV');
		
		// running totals
		Totalsavings = Pantrysavings + KidsRoomsavings + Hallwaysavings + Laundrysavings + LivingRoomsavings + Bedroomsavings + Kitchensavings + Officesavings + Bathroomsavings + DiningRoomsavings + Outdoorsavings + Garagesavings;
		
		Totalco2savings = Pantryco2savings + KidsRoomco2savings + Hallwayco2savings + Laundryco2savings + LivingRoomco2savings + Bedroomco2savings + Kitchenco2savings + Officeco2savings + Bathroomco2savings + DiningRoomco2savings + Outdoorco2savings + Garageco2savings;
		
		document.frmRunningTotal.runningtotal.value = Totalsavings.toFixed(2);
		document.frmRunningTotal.runningtotal2.value = Totalco2savings.toFixed(2);
		
		Effect.Pulsate('list', { pulses: 4, duration: 0.4, from: 0.1 }); return false;
	}