// ================================================================= // FUNCTION NAME: valForm // PURPOSE: Validates the form passed in from contact.php // AUTHOR: Robert W. Makynen, MCSD // DATE: March 27, 2007 // MODIFIED: March 31, 2007 // NOTES: Additional field checks can be added to the // valForm function if validation of other data // is desired. // ================================================================= function valForm(sForm) { // Check for a valid first name... if (sForm.txtFirstName.value == ''){ // If we get here, no data was entered into the field... alert("Please tell us your first name"); sForm.txtFirstName.focus(); return false; } // Check for a valid last name... /* Procedure removed at the request of Shelley Ladin on 3/30/2007 if (sForm.txtLastName.value == ''){ // If we get here, no data was entered into the field... alert("Please tell us your last name"); sForm.txtLastName.focus(); return false; }*/ // Check for a valid address... /* Procedure removed at the request of Shelley Ladin on 3/30/2007 if (sForm.txtAddress.value == ''){ // If we get here, no data was entered into the field... alert("Please provide your address"); sForm.txtAddress.focus(); return false; }*/ // Check for a valid city... /* Procedure removed at the request of Shelley Ladin on 3/30/2007 if (sForm.txtCity.value == ''){ // If we get here, no data was entered into the field... alert("Please enter your city"); sForm.txtCity.focus(); return false; }*/ // Check for a valid state... /* Procedure removed at the request of Shelley Ladin on 3/30/2007 if (sForm.txtState.value == ''){ // If we get here, no data was entered into the field... alert("Please enter your state"); sForm.txtState.focus(); return false; }*/ // Check for a valid zip code... /* Procedure removed at the request of Shelley Ladin on 3/30/2007 if (!IsNumeric(sForm.txtZip.value) || sForm.txtZip.value == ''){ // If we get here, no data was entered into the field... alert("Please enter a valid zip code"); sForm.txtZip.focus(); return false; }*/ // Check for a valid phone area code... /* Procedure removed at the request of Shelley Ladin on 3/30/2007 if (!IsNumeric(sForm.txtArea.value) || sForm.txtArea.value == ''){ // If we get here, no data was entered into the field... alert("Please enter a valid telephone area code"); sForm.txtArea.focus(); return false; }*/ // Check for a valid phone exchange... /* Procedure removed at the request of Shelley Ladin on 3/30/2007 if (!IsNumeric(sForm.txtExchange.value) || sForm.txtExchange.value == ''){ // If we get here, no data was entered into the field... alert("Please enter a valid telephone exchange"); sForm.txtExchange.focus(); return false; }*/ // Check for a valid phone number... /* Procedure removed at the request of Shelley Ladin on 3/30/2007 if (!IsNumeric(sForm.txtNumber.value) || sForm.txtNumber.value == ''){ // If we get here, no data was entered into the field... alert("Please enter a valid telephone number"); sForm.txtNumber.focus(); return false; }*/ // Check for a valid cell area code... /* Procedure removed at the request of Shelley Ladin on 3/30/2007 if (!IsNumeric(sForm.txtCellArea.value) || sForm.txtCellArea.value == ''){ // If we get here, no data was entered into the field... alert("Please enter a valid fax area code"); sForm.txtCellArea.focus(); return false; }*/ // Check for a valid fax exchange... /* Procedure removed at the request of Shelley Ladin on 3/30/2007 if (!IsNumeric(sForm.txtCellExchange.value) || sForm.txtCellExchange.value == ''){ // If we get here, no data was entered into the field... alert("Please enter a valid fax exchange"); sForm.txtCellExchange.focus(); return false; }*/ // Check for a valid fax number... /* Procedure removed at the request of Shelley Ladin on 3/30/2007 if (!IsNumeric(sForm.txtCellNumber.value) || sForm.txtCellNumber.value == ''){ // If we get here, no data was entered into the field... alert("Please enter a valid fax number"); sForm.txtCellNumber.focus(); return false; }*/ // Check for a valid email address... if (!valEmail(sForm.txtEmail.value)){ // If we get here, no data was entered into the email // field, or a valid email address wasn't entered... alert("Please provide us with a valid email address."); sForm.txtEmail.focus(); return false; } // Check for a valid confirmation email address... if (!valEmail(sForm.txtEmailConfirm.value)){ // If we get here, no data was entered into the email // field, or a valid email address wasn't entered... alert("Please provide us with a valid confirmation email address."); sForm.txtEmailConfirm.focus(); return false; } // Now we need to make sure that the two email address fields match... if (sForm.txtEmail.value !== sForm.txtEmailConfirm.value){ // If we get here the email values don't match... alert("Your email confirmation does not match the email value you entered."); sForm.txtEmailConfirm.focus(); return false; } // Check to make sure the user provided a comment or question... /* Procedure removed at the request of Shelley Ladin on 3/30/2007 if (sForm.txtComment.value == ''){ // If we get here, no data was entered into the field... alert("Please share your comment or question"); sForm.txtComment.focus(); return false; }*/ } // ================================================================= // FUNCTION NAME: IsNumeric // PURPOSE: Checks for valid numeric strings // AUTHOR: Robert W. Makynen, MCSD // DATE: February 28, 2007 // MODIFIED: March 01, 2007 // NOTES: (None) // ================================================================= function IsNumeric(strString) { // Check for valid numeric strings... var strValidChars = "0123456789"; var strChar; var blnResult = true; if (strString.length == 0) return false; // Test that strString consists of valid characters listed above... for (i = 0; i < strString.length && blnResult == true; i++) { strChar = strString.charAt(i); if (strValidChars.indexOf(strChar) == -1) { blnResult = false; } } return blnResult; } // ================================================================= // FUNCTION NAME: valEmail // PURPOSE: Validates the email address passed in // to see if it is valid // AUTHOR: Robert W. Makynen, MCSD // DATE: February 28, 2007 // MODIFIED: March 01, 2007 // NOTES: (None) // ================================================================= // ================================================================= function valEmail(email) { AtPos = email.indexOf('@') // Position of the '@' symbol StopPos = email.lastIndexOf('.') // Position of the '.' if (email == "") { // Email field was blank... return false; } if (AtPos == -1 || StopPos == -1) { // Text does not contain '@' or '.' return false; } if (StopPos < AtPos) { // The last occurrence of '.' appeared before '@' return false; } if (StopPos - AtPos == 1) { // The '.' appears directly after '@' return false; } // If we get this far then we're in the clear and // we have a valid email address, so we'll return // 'true' to the caller... return true; }