<span class="field_left field_buttons">
<input ID="TableRefresh" class="Button_Refresh" type="reset" value="Revert" name="refresh_CustomerProgramTable" onclick="RevertForm('PopulateCustomerProgramTable')" />
<input ID="TableClear" class="Button_Clear" type="button" value="Clear" name="clear_CustomerProgramTable" onclick="ClearFormElements('PopulateCustomerProgramTable')"/>
<input ID="TableSearch" class="Button_Search" type="button" value="Search" name="search_CustomerProgramTable" onclick="search_CustomerProgram()" />
</span>
<span class="field_center field_buttons"><input ID="TableNoteAdd" class="Button_AddNote" type="button" value="Add Note" name="addnote_CustomerProgramTable" />
<input ID="TableNoteSearch" class="Button_SearchNotes" type="button" value="Search Notes" name="searchnotes_CustomerProgramTable" /></span>
<span class="field_right field_buttons"><input ID="TableUpdate" class="Button_Update" type="button" value="Update" name="Update" />
<input ID="TableSubmit" class="Button_Submit" type="submit" value="New" name="commit_CustomerProgramTable" /></span>
When it does NOT work the HTML looks like this.<span class="field_left field_buttons">
<input ID="TableRefresh" class="Button_Refresh" type="reset" value="Revert" name="refresh_AircraftTable" onclick="RevertForm()" />
<input ID="TableClear" class="Button_Clear" type="button" value="Clear" name="clear_AircraftTable" onclick="ClearFormElements('PopulateAircraftTable')"/>
<input ID="TableSearch" class="Button_Search" type="button" value="Search" name="search_AircraftTable" onclick="search_Aircraft()" />
</span>
<span class="field_center field_buttons"><input ID="TableNoteAdd" class="Button_AddNote" type="button" value="Add Note" name="addnote_AircraftTable" />
<input ID="TableNoteSearch" class="Button_SearchNotes" type="button" value="Search Notes" name="searchnotes_AircraftTable" /></span>
<span class="field_right field_buttons"> <input ID="TableUpdate" class="Button_Update" type="button" value="Update" name="Update" />
<input ID="TableSubmit" class="Button_Submit" type="submit" value="New" name="commit_AircraftTable" /></span>
The relevant JS:function ClearFormElements(formId)
{
var nElements = document[formId].elements.length ;
for (var i = 0; i < nElements; i++)
{
if (document[formId].elements[i].type === "text")
{ document[formId].elements[i].value="" ; }
if (document[formId].elements[i].type === "checkbox")
{ document[formId].elements[i].checked=false ; }
if (document[formId].elements[i].type === "textarea")
{ document[formId].elements[i].value="" ; }
if (document[formId].elements[i].type === "tel")
{ document[formId].elements[i].value="" ; }
if (document[formId].elements[i].type === "email")
{ document[formId].elements[i].value="" ; }
if (document[formId].elements[i].type === "number")
{ document[formId].elements[i].value="" ; }
if (document[formId].elements[i].type === "date")
{ document[formId].elements[i].value="" ; }
if (document[formId].elements[i].type === "select")
{ document[formId].elements[i].value="" ; }
if (document[formId].elements[i].type === "radio")
{ document[formId].elements[i].checked=false ; }
}
$("#TableSubmit").prop('disabled',false) ;
$("#TableUpdate").prop('disabled',true) ;
if (formId == "PopulateCustomerProgramTable") { $("input[name=cust_name]").prop('disabled',false) ; }
}
function RevertForm(formId)
{
$("#TableSubmit").prop('disabled',true) ;
$("#TableUpdate").prop('disabled',false) ;
if (formId == "PopulateCustomerProgramTable") { $("input[name=cust_name]").prop('disabled',true) ; }
<!DOCTYPE html>
<html>
<head>
<title>Customer Program Table</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" type="text/css" href="http://10.139.164.5/Cell_Modems/CSS/PopulateTables.css">
<script type="text/javascript" src="http://10.139.164.5/Cell_Modems/javascripts/TableScripts.js"></script>
<script type="text/javascript" src="https://code.jquery.com/jquery-2.2.1.js"></script>
<script type="text/javascript">
$(document).ready(Uncle_Table);
</script>
</head>
<body>
<div ID="tblUncle">
<p style="font-weight: bold; font-size:1.2em; "> Table: Uncle</p>
<form name="PopulateUncleTable" ID="PopulateUncleTable" action="populate_Uncle" class="form" >
<p>
<span class="field_left"> Customer: <input type="text" name="cust_name" value="" size="30" disabled /></span>
<span class="field_center"> Program Code: <input type="text" name="program_code" value="" size="15" /></span>
<span class="field_right" style="border: 1px solid transparent; background-color: lightgray; "></span>
<span class="small_height"></span>
<span class="field_left field_buttons">
<input ID="TableRefresh" class="Button_Refresh" type="reset" value="Revert" name="refresh_UncleTable" onclick="RevertForm('PopulateUncleTable')" />
<input ID="TableClear" class="Button_Clear" type="button" value="Clear" name="clear_UncleTable" onclick="ClearFormElements('PopulateUncleTable')"/>
<input ID="TableSearch" class="Button_Search" type="button" value="Search" name="search_UncleTable" onclick="search_Uncle()" />
</span>
<span class="field_center field_buttons"><input ID="TableNoteAdd" class="Button_AddNote" type="button" value="Add Note" name="addnote_UncleTable" />
<input ID="TableNoteSearch" class="Button_SearchNotes" type="button" value="Search Notes" name="searchnotes_UncleTable" /></span>
<span class="field_right field_buttons"><input ID="TableUpdate" class="Button_Update" type="button" value="Update" name="Update" />
<input ID="TableSubmit" class="Button_Submit" type="submit" value="New" name="commit_UncleTable" /></span>
</p>
</form>
</div>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<title>Fruit Table</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" type="text/css" href="http://10.139.164.5/Cell_Modems/CSS/PopulateTables.css">
<script type="text/javascript" src="../../javascripts/TableScripts.js"></script>
<script type="text/javascript" src="https://code.jquery.com/jquery-2.2.1.js"></script>
<script type="text/javascript">
$(document).ready(Fruit_Table);
</script>
</head>
<body>
<div ID="tblFruit">
<p style="font-weight: bold; font-size:1.2em; "> Table: Fruit</p>
<form name="PopulateFruitTable" ID="PopulateFruitTable" action="populate_Fruit" class="form">
<p>
<span class="field_left searchable"> Fruit Registration #: <input type="text" name="Fruit_reg_no" value="" size="16" maxlength="16" /></span>
<span class="field_center"> Fruit Type: <input type="text" name="Fruit_type" value="" size="20" maxlength="20" /></span>
<span class="field_right" style="border: 1px solid transparent; background-color: lightgray; "></span>
<span class="field_left"> IFE System Type: <input type="text" name="ife_system_type" value="" size="20" maxlength="20" /></span>
<span class="field_center">Fruit Status:
<select name="Fruit_status" style="padding-top: 4px">
<option value="Fruit_status_choice0">Select Fruit Status</option>
<option value="Fruit_status_choice1">Fruit status choice 1</option>
<option value="Fruit_status_choice2">Fruit status choice 2</option>
<option value="Fruit_status_choice3">Fruit status choice 3</option>
</select>
</span>
<span class="field_right" style="border: 1px solid transparent; background-color: lightgray; "></span>
<span class="small_height"></span>
<span class="field_left field_buttons">
<input ID="TableRefresh" class="Button_Refresh" type="reset" value="Revert" name="refresh_FruitTable" onclick="RevertForm()" />
<input ID="TableClear" class="Button_Clear" type="button" value="Clear" name="clear_FruitTable" onclick="ClearFormElements('PopulateFruitTable')"/>
<input ID="TableSearch" class="Button_Search" type="button" value="Search" name="search_FruitTable" onclick="search_Fruit()" />
</span>
<span class="field_center field_buttons"><input ID="TableNoteAdd" class="Button_AddNote" type="button" value="Add Note" name="addnote_FruitTable" />
<input ID="TableNoteSearch" class="Button_SearchNotes" type="button" value="Search Notes" name="searchnotes_FruitTable" /></span>
<span class="field_right field_buttons"> <input ID="TableUpdate" class="Button_Update" type="button" value="Update" name="Update" />
<input ID="TableSubmit" class="Button_Submit" type="submit" value="New" name="commit_FruitTable" /></span>
</p>
</form>
</div>
</body>
</html>
<span class="field_center field_buttons"><input ID="TableNoteAdd" class="Button_AddNote" type="button" value="Add Note" name="addnote_ModemActivityTable" />
<input ID="TableNoteSearch" class="Button_SearchNotes" type="button" value="Search Notes" name="searchnotes_ModemActivityTable" /></span>
<span class="field_right field_buttons"> <input ID="TableUpdate" class="Button_Update" type="button" value="Update" name="Update" />
</html>
</body>
</div>
</form>
</p>
<input ID="TableSubmit" class="Button_Submit" type="submit" value="New" name="commit_ModemActivityTable" /></span>
It's hard to to see anything here because you are referencing a form, but the form code is not there.