var _0x1d15 = ["appName", "Netscape", "focus", "areaWidth1", "calcForm", "", "NaN", "0", "round", "name", "exec", "areaSq", "elements", "value", "PI", "pow", "areaWidth", "areaLength", "keyCode", "indexOf", "areaDia", "ceil", "$", "Quantity"];
var soilPrice = 0x28;
var noCols = 0xc;
var noRects = 0x8;
var isNN = 0x1;
var Quantity = 0;
var cost = 0;

function init() {
    isNN = (navigator.appName == Netscape);
    document.calcForm.areaWidth1.focus();
};

function fmt(_0xaf55x7) {
    if (_0xaf55x7 + _0x1d15[0x5] == _0x1d15[0x6]) {
        return 0;
    } else {
        return Math[_0x1d15[0x8]](_0xaf55x7 * 0x64) / 0x64;
    };
};

function calcArea(_0xaf55x9, _0xaf55xa) {
    objNo = (/\d+/)[_0x1d15[0xa]](_0xaf55x9[_0x1d15[0x9]]);
    areaObj = document.calcForm[_0x1d15[0xc]][_0x1d15[0xb] + objNo];
    if (_0xaf55xa) {
        areaObj[_0x1d15[0xd]] = fmt(Math[_0x1d15[0xe]] * Math[_0x1d15[0xf]](_0xaf55x9[_0x1d15[0xd]] / 0x2, 0x2));
    } else {
        wObj = document.calcForm[_0x1d15[0xc]][_0x1d15[0x10] + objNo];
        hObj = document.calcForm[_0x1d15[0xc]][_0x1d15[0x11] + objNo];
        areaObj[_0x1d15[0xd]] = fmt(wObj[_0x1d15[0xd]] * hObj[_0x1d15[0xd]]);
    };
    runCalc();
};

function keyDown(_0xaf55xc) {
    if (isNN) {
        return true;
    };
    if (event[_0x1d15[0x12]] == 0x9 || event[_0x1d15[0x12]] == 0xd) {
        objNo = (/\d+/)[_0x1d15[0xa]](_0xaf55xc[_0x1d15[0x9]]);
        if (_0xaf55xc[_0x1d15[0x9]][_0x1d15[0x13]](_0x1d15[0x10]) > -0x1) {
            document.calcForm[_0x1d15[0xc]][_0x1d15[0x11] + objNo].focus();
        } else {
            if (objNo == noCols) {
                objNo = 0x0;
            };
            if (objNo < noRects) {
                document.calcForm[_0x1d15[0xc]][_0x1d15[0x10] + (parseInt(objNo) + 0x1)].focus();
            } else {
                document.calcForm[_0x1d15[0xc]][_0x1d15[0x14] + (parseInt(objNo) + 0x1)].focus();
            };
        };
        return false;
    };
};

function toNo(_0xaf55xe) {
    if (_0xaf55xe == _0x1d15[0x5]) {
        return 0x0;
    } else {
        return parseInt(_0xaf55xe);
    };
};

function runCalc() {
    with(document.calcForm) {
        areaSqV = 0x0;
        for (var _0xaf55x10 = 0x1; _0xaf55x10 <= noCols; _0xaf55x10++) {
            areaSqV += toNo(elements[_0x1d15[0xb] + _0xaf55x10][_0x1d15[0xd]]);
        };
        bedArea[_0x1d15[0xd]] = fmt(areaSqV);
        soilQ = fmt(depth[_0x1d15[0xd]] * areaSqV / 0x144);
        soilReq[_0x1d15[0xd]] = soilQ;
        soilQC = Math[_0x1d15[0x15]](soilQ);
        Quantity[_0x1d15[0xd]] = soilQC;
        cost[_0x1d15[0xd]] = _0x1d15[0x16] + soilQC * soilPrice;
    };
    document.calcForm[_0x1d15[0x17]][_0x1d15[0xd]] = Math[_0x1d15[0x15]](0x1 * soilQ);
};