function FormValidator(){var CSSclassExclamation="txtExclamation";var CSSclassAccept="txtAccept";var CSSclassError="txtError";this.checkEmailTextField=function(field){var inputValue=field.value;var buffer=inputValue.split("@");if(buffer.length>1){var name=buffer[0];var domain=buffer[1];if(name.length<1){return false;};domainBuffer=domain.split(".");if(domainBuffer.length>1){var domainName=domainBuffer[0];var tld=domainBuffer[1];if(domainName.length<1){return false;};if(tld<1){return false;};}else{return false;};}else{return false;};return true;};this.onChangeUserEmail=function(field,elementId){var isValid=this.checkEmailTextField(field);var element=document.getElementById(elementId);if(isValid){element.attributes['class'].value=CSSclassAccept;}else{element.attributes['class'].value=CSSclassError;};};this.onChangeTextField=function(field){if(field.value.length>0){field.attributes['class'].value=CSSclassAccept;}else{field.attributes['class'].value=CSSclassError;};};};