function ajaxSubmit(form, div) {
    var params = Form.serialize(form);
    new Ajax.Updater(div,
    				 form.action, {
    				 method:'post',
    				 postBody:params,
					 //encoding: 'ISO-8859-1', //UTF-8					 
    				 onComplete: function(response) { 
    				 }
    });
}