<input type="button" onclick="rapidSpell.dialog_spellCheck()" value="Spell Check" /> //or for a specific text box <input type="button" onclick="rapidSpell.dialog_spellCheck(true, 'textBoxID1')" value="Spell Check" /> //or for a list of specific text boxes <input type="button" onclick="rapidSpell.dialog_spellCheck(true, ['textBoxID1', 'textBoxID2', ...])" value="Spell Check" />
<script type='text/javascript'> rapidSpell.dialog_popupURL ="<%=request.getContextPath()%>/a.rapidspellweb?t=d"; </script>
rapidSpell.dialog_ignoreTextBoxIds[rapidSpell.dialog_ignoreTextBoxIds.length] = 'textBox1'; //where textBox1 is the id attribute of a textbox rapidSpell.dialog_ignoreTextBoxIds[rapidSpell.dialog_ignoreTextBoxIds.length] = '<%= textBox1.ClientID %>'; //where textBox1 is an asp:textbox tag.
Please see the user dictionary topic.