function _showErrors(error){
            if(!error){
                return;
            }

            var targetElement;

            for(var target in error){
                targetElement = htElement.welForm.find("[name=" + target + "]");

                if(targetElement.length > 0) {
                    targetElement.popover({
                        "trigger"  : "manual",
                        "placement": "left",
                        "content"  : error[target].shift()
                    }).popover("show");
                }
            }
        }
Show error message on target element with $.popover

@param error
@private