Embed

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Top Chord Length Calculator</title>
    <style>
        body {
            background-color: #16385F;
            background-image: linear-gradient(to bottom, #16385F, #275D8C);
            margin: 0 auto;
            font-family: Verdana, Geneva, sans-serif;
            font-size: 12px;
            color: #0a0a0a;
            line-height: 1.5;
            box-sizing: border-box;
        }

        #bord {
            border: 1px solid #FFF;
            margin: 20px auto;
            max-width: 100%;
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
            position: relative;
        }

        table {
            width: 100%;
            border-collapse: collapse;
        }

        td {
            padding: 10px;
            box-sizing: border-box;
        }

        h2 {
            text-align: center;
            font-family: Georgia, "Times New Roman", Times, serif;
            font-weight: bold;
            margin-bottom: 15px;
            font-size: 1.5em;
        }

        h3 {
            margin-top: 20px;
            font-size: 1.2em;
        }

        strong {
            font-weight: bold;
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        a, button {
            color: #000000;
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            cursor: pointer;
            padding: 8px 15px;
            border: 1px solid #0d0b0b;
            border-radius: 5px;
            background-color: transparent;
            font-size: 1em;
            transition: background-color 0.3s, color: 0.3s;
            padding-right: 15px;
        }

        a:hover, button:hover {
            color: #900;
            border-color: #900;
        }

        #calculator-form div {
            margin-bottom: 10px;
        }

        label {
            display: block;
            margin-bottom: 5px;
            font-weight: bold;
        }

        input[type="number"] {
            width: calc(100% - 200px);
            padding: 10px;
            border: 1px solid #ffffff;
            border-radius: 5px;
            box-sizing: border-box;
            font-size: 1.1em;
            color: #000000;
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        img {
            max-width: 100%;
            height: auto;
            display: block;
            margin-top: 10px;
        }

        #result-modal {
            display: none;
            position: fixed;
            z-index: 1;
            left: 50;
            top: 90;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.4);
        }

        .modal-content {
            background-color: #fefefe;
            margin: 15px auto; /* Reduced top margin for better mobile view */
            padding: 20px;
            border: 1px solid #888;
            width: 95%; /* Closer to full width on mobile */
            max-width: 500px; /* Added a max-width for larger mobile screens/tablets */
            border-radius: 10px;
            box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2), 0 6px 20px 0 rgba(0,0,0,0.19);
            position: relative;
            font-family: sans-serif;
            color: #333;
        }

        .close-button {
            color: #aaa;
            float: right;
            font-size: 28px;
            font-weight: bold;
        }

        .close-button:hover,
        .close-button:focus {
            color: black;
            text-decoration: none;
            cursor: pointer;
        }

        .modal-results p {
            margin-bottom: 8px;
            font-size: 1.1em; /* Slightly larger font for readability */
        }

        .modal-results strong {
            font-weight: bold;
            color: #555;
        }

        .span-inputs {
            display: flex;
            align-items: center;
        }

        .span-inputs label {
            display: inline-flex;
            margin-right: 10px;
            margin-bottom: 0;
            width: auto;
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        .span-inputs input[type="number"] {
            width: 140px;
            display: inline-block;
            margin-right: 10px;
            padding: 10px;
            font-size: 1.1em;
        }
        

        /* Media Queries for responsiveness */
        @media (max-width: 768px) {
            .modal-content {
                margin-top: 30px; /* Adjust top margin for smaller screens */
                width: 90%;
            }

            .modal-results p {
                font-size: 1em; /* Adjust font size on smaller screens if needed */
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            .span-inputs {
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            .span-inputs label {
                width: 100%;
                margin-bottom: 5px;
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                margin-right: 0;
                margin-bottom: 10px;
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        @media (max-width: 480px) {
            .modal-content {
                width: 98%; /* Almost full width on very small screens */
                margin-top: 40%;
                margin-left: auto;
                margin-right: auto;
            }

            .modal-results p {
                font-size: 0.95em;
            }
        }
    </style>
</head>
<body>
    <div id="bord">
        <table>
            <tr>
                <td colspan="2">
                    <h2><strong>TOP CHORD LENGTH CALCULATOR</strong></h2>
                    Use the calculator below to determine the <strong>top chord</strong> length.
                </td>
            </tr>
            <tr>
                <td colspan="2" valign="top"><img src="https://www.aroostooktrusses.com/calculator/images/truss-illustration.png" width="500" height="128" alt="Truss Illustration"></td>
            </tr>
            <tr>
                <td colspan="2">
                    <h3>Enter Truss Dimensions:</h3>
                    <form id="calculator-form">
                        <div>
                            <label for="slope">Slope (rise in inches per 12 inches run):</label>
                            <input type="number" id="slope" name="slope" required placeholder="Enter slope"><strong>/ 12</strong> 
                        </div>
                        <div class="span-inputs">
                            <label for="span-ft">Span (feet):</label>
                            <input type="number" id="span-ft" name="span-ft" required placeholder="Span feet">
                            <label for="span-in">Span (inches):</label>
                            <input type="number" id="span-in" name="span-in" min="0" max="11" placeholder="Span inches">
                        </div>
                        <button type="button" onclick="showResults()">Calculate</button>
                    </form>
                </td>
            </tr>
        </table>
    </div>

    <div id="result-modal" class="modal">
        <div class="modal-content">
            <span class="close-button">&times;</span>
            <div class="modal-results">
                <p><strong>Your Results:</strong></p>
                <p>Slope: <strong id="modal-result-slope"></strong></p>
                <p>Span: <strong id="modal-result-span"></strong></p>
                <p><strong>Top Chord: <span id="modal-result-topchord-ft"></span>' <span id="modal-result-topchord-in"></span>"</strong></p>
            </div>
        </div>
    </div>

    <script>
        // Get the modal
        const modal = document.getElementById("result-modal");

        // Get the close button
        const closeButton = document.querySelector(".close-button");

        function calculateTopChord() {
            const slope = parseFloat(document.getElementById('slope').value);
            const spanFt = parseFloat(document.getElementById('span-ft').value);
            const spanIn = parseFloat(document.getElementById('span-in').value);

            if (isNaN(slope) || isNaN(spanFt) || isNaN(spanIn)) {
                alert("Please enter valid numeric values.");
                return null; // Indicate failure
            }

            const spanNew = (spanIn / 12) + spanFt;
            let topChord = (Math.sqrt(Math.pow(slope, 2) + 144)) * (spanNew / 2);
            topChord = topChord / 12;
            topChord = parseFloat(topChord.toFixed(4));

            const topChordStr = topChord.toString();
            let chordFt = "";
            let chordIn = "";
            let decimalFound = false;

            for (let i = 0; i < topChordStr.length; i++) {
                if (topChordStr[i] === ".") {
                    decimalFound = true;
                } else if (!decimalFound) {
                    chordFt += topChordStr[i];
                } else if (decimalFound) {
                    chordIn += topChordStr[i];
                }
            }

            chordIn = Math.round(parseFloat("0." + chordIn) * 12);

            return {
                slope: `${slope}/12`,
                span: `${spanFt}' ${spanIn}"`,
                topChordFt: chordFt,
                topChordIn: chordIn
            };
        }

        function showResults() {
            const results = calculateTopChord();
            if (results) {
                document.getElementById('modal-result-slope').textContent = results.slope;
                document.getElementById('modal-result-span').textContent = results.span;
                document.getElementById('modal-result-topchord-ft').textContent = results.topChordFt;
                document.getElementById('modal-result-topchord-in').textContent = results.topChordIn;
                modal.style.display = "block"; // Show the modal
            }
        }

        // Close the modal when the close button is clicked
        closeButton.onclick = function() {
            modal.style.display = "none";
            clearAndFocus();
        }

        // Close the modal if the user clicks outside of it
        window.onclick = function(event) {
            if (event.target == modal) {
                modal.style.display = "none";
                clearAndFocus();
            }
        }

        function clearInputs() {
            document.getElementById('slope').value = '';
            document.getElementById('span-ft').value = '';
            document.getElementById('span-in').value = '';
        }

        function clearAndFocus() {
            clearInputs();
            document.getElementById('slope').focus(); // Focus on the 'slope' input
        }

        window.onload = function() {
            document.getElementById('slope').focus();
        };
    </script>
</body>
</html>

AROOSTOK TRUSSES INC

TOP CHORD LENGTH CALCULATOR Use the calculator below to determine the top chord length.

Enter Truss Dimensions: Slope (rise in inches per 12 inches run): / 12 Span (feet): Span (inches):