Select All Class IDs in <tbody>

Use jQuery to find all class IDs within a <tbody> that has a specific doc ID

HTML

<table id="#docsTable" border="1">
    <tbody>
        <tr class="docRow">
            <td width="25px"><a class="docAdminFormSubmit edit" name="178" href="#">Edit</a></td>
            <td width="20px"><input type="checkbox" class="chkDeleteDocs" name="removeDocs[]" value="178" /></td>
            <td class="docAndClassTitle">PHP Anthology</td>
            <td>N/A</td>
            <td>the php anthology.pdf</td>
            <td class="numDownloads"><span style="padding-left: 25px;">0</span></td>
        </tr>
        <tr class="docClassesRow">
            <td></td>
            <td width="50px" align="right"><input type="checkbox" class="chkRemoveClasses" name="removeClasses[]" value="180-178" /></td>
            <td colspan="4">ATEST5300</td>
        </tr>
        <tr class="docClassesRow">
            <td></td>
            <td width="50px" align="right"><input type="checkbox" class="chkRemoveClasses" name="removeClasses[]" value="45-178" /></td>
            <td colspan="4">QTEST7075</td>
        </tr>
        <tr class="docClassesRow">
            <td></td>
            <td width="50px" align="right"><input type="checkbox" class="chkRemoveClasses" name="removeClasses[]" value="33-178" /></td>
            <td colspan="4">TEST5220</td>
        </tr>
    </tbody>
</table>

JavaScript

// replaceDocID = 178
var classIDsArray = $('tr.docClassesRow input').val();

//var str = "33-178";
var array = classIDsArray.split('-');
var classID = array[0];
var docID = array[1];

document.write(array + '<br />');
document.write(classID + '<br />');
document.write(docID);