$('#postLsit').on('click','[id^=cancel_]', function(event){ 
	var messageId = $(this).attr('id'); 
	messageId = messageId.replace(/cancel_/g, ''); 
	tinymce.execCommand("mceRemoveEditor", true, messageId); 
	$("#editSection_"+messageId).addClass('hidden'); 
	$("#button_section_"+messageId).removeClass('hidden');		 
});