// Using the function // OPTION 1: add the following function to the input box you wish to protect // onKeyPress="restrictKeyStrokes(this,keybNumeric)" // see relay/leadManager/oppProductList.cfm // // OPTION 2: create a function to add an event and then call the function in window.onload() // void function setEvents() { document.all.txtYN.onkeypress = new Function('restrictKeyStrokes(this,keybYN)');} // // // see authors article at http://builder.com.com/5100-6371-1044655.html // WAB 14/03/2007 Andy noticed that z was not in the list of letters! var keybYN = new keybEdit('yn','Valid values are \'Y\' or \'N\'.'); var keybNumeric = new keybEdit('01234567890','You can only enter numbers into this field.'); var keybAlpha = new keybEdit('abcdefghijklmnopqurstuvwxyz','You can only enter letters into this field.'); var keybAlphaNumeric = new keybEdit('abcdefghijklmnopqurstuvwxyz01234567890','You can only enter Alpha-numeric characters into this field.'); var keybDecimal = new keybEdit('01234567890.','Decimal input only i.e. No commas and . for a decimal point.'); var keybDate = new keybEdit('01234567890/','Date input only'); var keybRelaySafe = new keybEdit('abcdefghijklmnopqurstuvwxyz01234567890- ()','You can only enter Alpha-numeric characters, minus sign (-) into this field.');; var keybCFVariable = new keybEdit('abcdefghijklmnopqurstuvwxyz01234567890_','You can only enter Alpha-numeric characters & _ into this field.');; var keybYNNM = new keybEdit('yn'); var keybNumericNM = new keybEdit('01234567890'); var keybAlphaNM = new keybEdit('abcdefghijklmnopqurstuvwxyz'); var keybAlphaNumericNM = new keybEdit('abcdefghijklmnopqurstuvwxyz01234567890'); var keybDecimalNM = new keybEdit('01234567890.'); var keybDateNM = new keybEdit('01234567890/'); var keybRelaySafeNM = new keybEdit('abcdefghijklmnopqurstuvwxyz01234567890- ()'); var keybCFVariableNM = new keybEdit('abcdefghijklmnopqurstuvwxyz01234567890_'); function keybEdit(strValid, strMsg) { /* Function: keybEdit Creation Date: October 11, 2001 Programmer: Edmond Woychowsky Purpose: The purpose of this function is to be a constructor for the keybEdit object. keybEdit objects are used by the function editKeyBoard to determine which keystrokes are valid for form objects. In addition, if an error occurs, they provide the error message. Please note that the strValid is converted to both upper and lower case by this constructor. Also, that the error message is prefixed with 'Error:'. The properties for this object are the following: valid = Valid input characters message = Error message The methods for this object are the following: getValid() = Returns a string containing valid characters. getMessage()= Returns a string containing the error message. Update Date: Programmer: Description: */ // Variables var reWork = new RegExp('[a-z]','gi'); // Regular expression\ // Properties if(reWork.test(strValid)) this.valid = strValid.toLowerCase() + strValid.toUpperCase(); else this.valid = strValid; if((strMsg == null) || (typeof(strMsg) == 'undefined')) this.message = ''; else this.message = strMsg; // Methods this.getValid = keybEditGetValid; this.getMessage = keybEditGetMessage; function keybEditGetValid() { /* Function: keybEdit Creation Date: October 11, 2001 Programmer: Edmond Woychowsky Purpose: The purpose of this function act as the getValid method for the keybEdit object. Please note that most of the following logic is for handling numeric keypad input. Update Date: Programmer: Description: */ return this.valid.toString(); } function keybEditGetMessage() { /* Function: keybEdit Creation Date: October 11, 2001 Programmer: Edmond Woychowsky Purpose: The purpose of this function act as the getMessage method for the keybEdit object. Update Date: Programmer: Description: */ return this.message; } } function restrictKeyStrokes(event,objKeyb) { /* Function: editKeyBoard Creation Date: October 11, 2001 Programmer: Edmond Woychowsky Purpose: The purpose of this function is to edit edit keyboard input to determine if the keystrokes are valid. Update Date: Programmer: Description: June 2006 WAB modified to work with firefox, pass in event rather than this WAB mods so that FF allows delete etc. */ strWork = objKeyb.getValid(); strMsg = ''; // Error message blnValidChar = false; // Valid character flag if (window.event) { // event = window.event keyCode = event.keyCode objForm = event.srcElement } else { keyCode = event.charCode objForm = event.target if (keyCode == 0) { blnValidChar = true;} // this seems to be the case of cursor keys etc. in FF } // Part 1: Validate input if(!blnValidChar) for(i=0;i < strWork.length;i++) if(keyCode == strWork.charCodeAt(i)) { blnValidChar = true; break; } // Part 2: Build error message if(!blnValidChar) { if(objKeyb.getMessage().toString().length != 0) alert('Error: ' + objKeyb.getMessage()); // Clear invalid character if (window.event) { event.returnValue = false; } else { event.preventDefault(); } objForm.focus(); // Set focus } }