function showConfirm(sMessage, fCallback, sDescription, htOptions){
        if(!htVar.oConfirmDialog){
            htVar.oConfirmDialog = new yobi.ui.Dialog("#yobiDialog");
        }

        htOptions = htOptions || {};
        var aButtonStyles = htOptions.aButtonStyles;
        var aButtonLabels = htOptions.aButtonLabels || [Messages("button.cancel"), Messages("button.confirm")];

        htVar.oConfirmDialog.show(sMessage, sDescription, {
           "fOnClickButton": fCallback,
           "aButtonLabels" : aButtonLabels,
           "aButtonStyles" : aButtonStyles
        });
    }
Show confirm dialog
@param {String} sMessage Message string
@param {Function} fCallback Call this function after click button
@param {String} sDescription Description string (optional)
@param {Hash Table} htOptions
@param {Array} htOptions.aButtonLabels Specifying button labels (optional)
@param {Array} htOptions.aButtonStyles Specifying button CSS Class names (optional)