var selSub = null;
var selChip = null;
var varRoll = null;
var sBlank=0;
var sRoll=1;
var sSel=2;
var sublayers = [[[15,15],[13,39],[11,66],[8,96]],[[19,19],[16,48],[13,78],[10,120]],[[27,27],[22,66],[17,102],[13,156]],[[32,32],[25,75],[19,114],[15,180]]];
var chiplayers = [[0.99,
	19.80],[0.90,
	45],[0.82,
	82],[0.75,
	187.50],[0.69,
	345]];
function initCore()
{
	for (var i=0;i<9;i++)
		(new Image()).src = "P"+i+".gif";
	(new Image()).src = "Pb"+i+".gif";

	var set = ["images/BG.gif","images/BGC.gif","images/BGR.gif"];
	for (var i=0;i<set.length;i++)
	{
		eval("pl_image_"+i+"=new Image()");
		eval("pl_image_"+i+".src=set[i]");
	}
	setLayers();

	
}
function setLayers()
{
	for (var row=0;row<4;row++)
		for (var col=0;col<4;col++)
			setCellForNS("sub",row,col);

	for (var col=0;col<5;col++)
		setCellForNS("chip",row,col);

	updateTotal();
}

function getElement(id)
{
	var element = document.all(id);return element;
	return element;
}

function setCellForNS(type,row,col)
{
	var num = String((type=="sub"?row:""));
	num += col;

	var theLayer = new Layer(104);
	theLayer.clip.width = 104;
	theLayer.memo = "id"+row+col;
	theLayer.document.open();
	var pricea = type=="sub"?sublayers[row][col][0]:chiplayers[col][0];
	var priceb = type=="sub"?sublayers[row][col][1]:chiplayers[col][1];
	theLayer.document.write(getLayerText(type,row,col));
	theLayer.document.close();
	theLayer.zIndex = 1;
	theLayer.visibility = 'show';
	eval("var img = document.i"+type+num);
	centerDivToImg(img,theLayer);
	img.onMouseOver=onOver;
	eval("img.onMouseDown=on"+type);
	img.onMouseOut=onOut;

	var behavea = new Behavior(false);
	eval("behavea.setAction(\"MOUSEDOWN\", on"+type+"div)");
	eval("behavea.setAction(\"MOUSEOVER\", on"+type+"divover)");
	eval("behavea.setAction(\"MOUSEOUT\", on"+type+"divout)");
	behavea.applyBehavior(theLayer);
}

function getLayerText(type,row,col)
{
	var pricea = priceForCell(type=="sub"?sublayers[row][col][0]:chiplayers[col][0]);
	var priceb = priceForCell(type=="sub"?sublayers[row][col][1]:chiplayers[col][1]);
	var tag = (type=="sub"?' / mo.':'/ea.');
	return '<table cellpadding="0" cellspacing="0"><tr><td align="center" id="pricelabel">$'+pricea+tag+'</td></tr><tr><td height="5"></td></tr><tr><td align="center" id="pricelabel">Price:$'+priceb+'</td></tr></table>';
}



function centerDivToImg(img,div)
{
	
}


function onsub(e)
{
	if (selSub==this)
	{
		changeLyr(this,sRoll);
		selSub=null;
	}
	else
	{
		if (selSub)
			changeLyr(selSub,sBlank);
		selSub = this;
		changeLyr(selSub=this,sSel);
	}
	if (varRoll==this)
		varRoll==null;
	updateTotal();
}
function onchip()
{
	if (selChip==this)
	{
		changeLyr(this,sRoll);
		selChip=null;
	}
	else
	{
		if (selChip)
			changeLyr(selChip,sBlank);
		selChip = this;
		changeLyr(selChip=this,sSel);
	}
	updateTotal();
}
function onOver()
{
	if (varRoll && varRoll!=selSub && varRoll!=selChip)
		changeLyr(varRoll,sBlank);
	if ((selSub==this)||(selChip==this))
		return;
	changeLyr(varRoll=this,sRoll);
}
function onOut(e)
{
	if (e)
	{
		if ((e.pageX>this.x) && (e.pageY>this.y) && (e.pageX<this.x+this.width) && (e.pageY<this.y+this.height))
			return;
	}
	if ((selSub==this)||(selChip==this))
		return;
	if (varRoll && varRoll!=selSub && varRoll!=selChip)
		changeLyr(varRoll,sBlank);
	changeLyr(this,sBlank);
}
function onsubdivout(e)
{
	var strSub = String(this.memo);
	var row = Number(strSub.substr(strSub.length-2,1));
	var col = Number(strSub.substr(strSub.length-1,1));
	eval("var img = document.images.isub"+row+col);
	if (e)
		if ((e.x<img.x) || (e.y<img.y) || (e.x>img.x+img.width) || (e.y>img.y+img.height))
			img.onMouseOut(e);
}
function onchipdivout(e)
{
	var strSub = String(this.memo);
	var col = Number(strSub.substr(strSub.length-1,1));
	eval("var img = document.images.ichip"+col);

	if (e)
		if ((e.x<img.x) || (e.y<img.y) || (e.x>img.x+img.width) || (e.y>img.y+img.height))
			img.onMouseOut(e);
}
function onsubdiv(e)
{
	var strSub = String(this.memo);
	var row = Number(strSub.substr(strSub.length-2,1));
	var col = Number(strSub.substr(strSub.length-1,1));
	eval("document.images.isub"+row+col+".onMouseDown(e)");
}
function onsubdivover(e)
{
	var strSub = String(this.memo);
	var row = Number(strSub.substr(strSub.length-2,1));
	var col = Number(strSub.substr(strSub.length-1,1));
	eval("var img = document.images.isub"+row+col);
	img.onMouseOver(e);
	varRoll=img;
}
function onchipdiv(e)
{
	var strSub = String(this.memo);
	var col = Number(strSub.substr(strSub.length-1,1));
	eval("document.images.ichip"+col+".onMouseDown(e)");
}
function onchipdivover(e)
{
	var strSub = String(this.memo);
	var col = Number(strSub.substr(strSub.length-1,1));
	eval("document.images.ichip"+col+".onMouseOver(e)");
}
function changeLyr(lyr,state)
{
//	lyr=event.srcElement;
	if (!lyr || state>sSel)
		return;
//	alert(lyr);
//	for (x in lyr)
//		alert(x);
	var images=["images/BG.gif","images/BGR.gif","images/BGC.gif"];
	lyr.src = images[state];
}
function updateTotal()
{

	var total=0;
	if (selSub)
	{
		var strSub = String(selSub.id);
		var row = Number(strSub.substr(strSub.length-2,1));
		var col = Number(strSub.substr(strSub.length-1,1));
		document.forms[0].elements["T11:steps:Step01:level"].value=row;
		document.forms[0].elements["T11:steps:Step01:len"].value=col;
		total += sublayers[row][col][1];
	}
	else
	{
		document.forms[0].elements["T11:steps:Step01:level"].value="none";
		document.forms[0].elements["T11:steps:Step01:len"].value="none";
	}
	if (selChip)
	{
		var strChip = String(selChip.id);
		var col = Number(strChip.substr(strChip.length-1,1));
		document.forms[0].elements["T11:steps:Step01:chip"].value=col;
		total += chiplayers[col][1];
	}
	else
		document.forms[0].elements["T11:steps:Step01:chip"].value="none";

	var strTotal = String(formatPrice(total));
	var index=0;
	for (var i=strTotal.length-1;i>=0;i--)
	{
		var digit = strTotal.substr(i,1);
		if (digit=='.')	continue;
		eval("document.images.img_p"+index+".src='images/P"+digit+".gif'");
		index++;
	}
	for (;index<5;index++)
		eval("document.images.img_p"+index+".src='images/Pb.gif'");
}
function formatPrice(price)
{
	return formatNumber(price,9,2,true,false)
}
function formatNumber(number,width,accuracy,rounded,padded) {
	// number is the number to be operated on,  it must be in standard format,
	//       not scientific notation
	// width is the output width, which must be greater than 0
	// accuracy is the digits to the right of the decimal
	// rounded is a boolean whether to round the number or not
	// padded is a boolean whether to pad the number on the left with blanks
	//  Examples:
	//    myNewValue = formatNumber(121.355,9,2,false,true); 
	//     myNewValue contains "   121.35"
	//    myNewValue = formatNumber(121.355,9,2,true,true);
	//     myNewValue contains "   121.36"
	//    myNewValue = formatNumber(121.355,9,2,true,false);
	//     myNewValue contains "121.36"
	
	var myNum, errorString, leftDigits, leftPadLength, leftWidth;
	var roundingAddend, zeroString;
	var decimalFound, searchString, i;
	var myNum = number;
	// handle bad parameters
	if (isNaN(width)){
		return '*';
	}
	if (width < 1) {
		return '*';
	}
	if (isNaN(accuracy)){
		return '*';
	}
	if (accuracy < 0) {
		return '*';
	}
	
	if (isNaN(myNum)){
		return '*';
	}
	// handle oversized values
	errorString = '********************';
	leftDigits = 1 + Math.floor(Math.log(myNum) / Math.LN10);
	if (accuracy > 0) {
		leftWidth = width - accuracy - 1;
	}
	else
	{
		leftWidth = width;
	}
	if (myNum < 0) {
		leftWidth -= 1;
	}
	if (leftDigits > leftWidth) {
		return errorString.substring(0,width);
	}
	// do rounding
	if(rounded) {
		roundingAddend = Math.pow(10,( - accuracy)) * .5;
		myNum = parseFloat(myNum) + roundingAddend;
	}
	// pad the number
	if(padded) {
		leftPadLength = width - leftDigits - accuracy - 1;
		if (leftPadLength > 0) {
			for (i=1;i<=leftPadLength;i++)
			{
				myNum = " " + myNum;
			}
		}
	}
	// see if there is a decimal point
	searchString = " " + myNum;
	decimalFound = searchString.indexOf(".");
	if(decimalFound < 0) {
		zeroString = ".";
	}
	else
	{
		zeroString = "";
	}
	// add a string of zeroes
	for(i=1;i<=width;i++) {
		zeroString += "0";
	}
	myNum += zeroString;
	// now make the trimmed number
	if(accuracy > 0) {
		return myNum.substring(0,myNum.indexOf(".") + accuracy + 1);
	}
	else
	{
		return myNum.substring(0,width);
	}
}

function priceForCell(price)
{
	var strPrice=formatPrice(price);
	if (strPrice.substr(strPrice.length-3)==".00")
		strPrice = strPrice.substr(0,strPrice.length-3);
	return strPrice;
}