diff --git a/content/post/endless-loop/index.md b/content/post/endless-loop/index.md
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+---
+# Documentation: https://wowchemy.com/docs/managing-content/
+
+title: "Endless Loop"
+subtitle: ""
+summary: ""
+authors: []
+tags: []
+categories: []
+date: 2022-04-10T22:42:25+02:00
+lastmod: 2022-04-10T22:42:25+02:00
+featured: false
+draft: true
+
+# Featured image
+# To use, add an image named `featured.jpg/png` to your page's folder.
+# Focal points: Smart, Center, TopLeft, Top, TopRight, Left, Right, BottomLeft, Bottom, BottomRight.
+image:
+  caption: ""
+  focal_point: ""
+  preview_only: false
+
+# Projects (optional).
+#   Associate this post with one or more of your projects.
+#   Simply enter your project's folder or file name without extension.
+#   E.g. `projects = ["internal-project"]` references `content/project/deep-learning/index.md`.
+#   Otherwise, set `projects = []`.
+projects: []
+---
+{{< loop_calc >}} 
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diff --git a/layouts/shortcodes/loop_calc.html b/layouts/shortcodes/loop_calc.html
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+<script>
+    function Calculate(obj)
+{
+	tail = 53.33 * obj.size.value;
+	length1 = obj.dia.value;
+	size =  obj.size.value;
+	body = length1 - 5.56 * size;
+	stretch = 1.2;
+	if (size == .109) stretch = 1.1875;
+	if (size == .125) stretch = 1.2;
+	if (size == .15625) stretch = 1.2;
+	if (size == .1875) stretch = 1.2;
+	if (size >= .25) stretch = 1.2;
+	head = 16 * size;
+
+	obj.length.value = Math.round(8*(3.1416 * length1 * (1 + stretch)  +24 *  size + 2 * size))/8;
+
+
+	obj.mark1.value = Math.round(8*3.1416 * length1 * stretch / 2)/8;
+	obj.cur2.value = Math.round(8*(  length1 * 3.1416 / 2 ))/8;
+
+
+	obj.idia.value = Math.round(8*(          1.865 * size         ))/8;// loop size
+}
+ 
+</script>
+<form name="wscform"> 
+    <table>
+    <tr>
+       <td valigh="top">Loop Diameter</td>
+       <td><input type="text" name="dia" size="18" value="8" > Inches
+       </td>
+    </tr>
+
+    <tr>
+       <td valigh="top">Line Size</td>
+       <td>
+       
+       <select name="size">
+           <option value=".109">7/64
+           <option value=".125">1/8
+           <option value=".15625">5/32
+           <option value=".1875" selected> 3/16
+           <option value=".25">1/4
+           <option value=".3125">5/16
+           <option value=".375">3/8
+           <option value=".4375">7/16
+           <option value=".500">1/2
+       </select>
+       Diameter of line
+       </td>
+    </tr>
+
+
+
+
+    <tr>
+       <td><input type="button" value="Calculate" onClick="Calculate(this.form)"></td>
+    </tr>
+    <tr>
+       <td>Loop size</td>
+       <td><input type="text" name="idia" size="18" value="0" readonly> OD of loop double braid</td>
+    </tr>
+        <!-- <tr>
+       <td>Capacity</td>
+       <td><input type="text" name="idia2" size="18" value="0" readonly> Max diameter of load</td>
+    </tr>
+    <tr>
+       <td>Interior size</td>
+       <td><input type="text" name="folded" size="18" value="0" readonly> inner stretched size</td>
+    <tr> -->
+       <td>Line Length</td>
+       <td><input type="text" name="length" size="18" value="0" readonly> Total rope needed</td>
+    </tr>
+    <tr>
+       <td>Mark</td>
+       <td><input type="text" name="mark1" size="18" value="0" readonly>   From center mark</td>
+    </tr>
+   <tr>
+       <td>Extended Length</td>
+       <td><input type="text" name="cur2" size="18" value="0" readonly>  Tip to tip</td>
+    </tr> 
+
+    <!-- <tr>
+       <td>Body</td>
+       <td><input type="text" name="body" size="18" value="0" readonly> </td>
+    </tr>
+    <tr>
+       <td>Loop</td>
+       <td><input type="text" name="loop" size="18" value="0" readonly>  </td>
+    </tr> -->
+
+
+
+
+    </table>
+</form> 
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