i have done the same application once. see the code below and try your hand on it.
1 . ManageTemplateForm is the form object
2. page is a
String property in form.
3. Value is the String i want to compare.
<logic-l:equal name="ManageTemplateForm" property="page" value="FirstPage">
<bean:message key="managetemplateForm.property.previousPage"/>
<bean:message key="managetemplateForm.property.nextPage"/>
</logic-l:equal>
<logic-l:notEqual name="ManageTemplateForm" property="page" value="FirstPage">
<logic-l:equal name="ManageTemplateForm" property="page" value="First">
<bean:message key="managetemplateForm.property.previousPage"/>
</logic-l:equal>
<logic-l:notEqual name="ManageTemplateForm" property="page" value="First">
<html:link href="javascript:linkSelectedPrevious()">
<bean:message key="managetemplateForm.property.previousPage"/>
</html:link>
</logic-l:notEqual>