About...

// --------------------------------------------------------------------------- // LIBRARY NAME: javalib.js // VERSION: 2.0 // DESCRIPTION: JavaScript Custom Functions Library. // PROGRAMMER: George Silberstern, ...by Graf! // = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = // Functions included in this release: // * About() // * Center() // * GetPosition() // * GetDimension() // * HTMLFooter() // * HTMLHeader() // * SupportedFileType() // // Core modules: // * _errortrap() // --------------------------------------------------------------------------- var _libraryname = "JavaLib" var _libversion = "2.02" var _libauthor = "George Silberstern" var _libcpyright = "2001-2003" var _libownernam = "...by Graf!" var _libownerurl = "http://www.grafs.net" var _libownereml = "design@grafs.net" // =========================================================================== // About() // Description: Displays an "About" box identifying this library // Parameters: None // Syntax: About() // Requires: GetPosition(), Center() // Returns: Nothing // function About() { var WindowHandle = "About"; var WindowAttrib = "toolbar=no,location=no,directories=no,status=no,menubar=no"; var WindowScroll = "scrollbars=no"; var WindowResize = "resizable=no"; var BodyTag = 'bgcolor="#C0C0C0" link="#3300CC" vlink="#FF3399" alink="#99FF66" text="#000000" style="margin: 10px;"' var FontTag = ''; var CloseLink = '' WindowWidth = 480; WindowHeight = 200; HPosition = GetPosition(screen.width, WindowWidth); VPosition = GetPosition(screen.height, WindowHeight); WindowAttrib = "width="+WindowWidth+",height="+WindowHeight+","+WindowAttrib+","+WindowScroll+","+WindowResize; About = window.open("", WindowHandle, WindowAttrib); Center(About); About.document.open(); with (About.document) { write('\n'); write('\n\n') write('\t\n'); write('\t\n'); write('\t\n'); write('\t\n'); write('\tAbout...\n\n\n'); write('\n\n'); write('

\n'); write('\n'); write('\n\t\n\t\n\n'); write('\n\t\n\n'); write('\n\t\n\n

\n'); write('\t' + FontTag + '\n'); write('\tPowered with ' + _libraryname + ' v' + _libversion + '\n'); write('\t\n\t	\n'); write('\t' + FontTag + '\n'); write('\tCopyright ©' + _libcpyright + ', ' + _libownernam + '\n'); write('\t\n\t
\n'); write('\t' + FontTag + '\n'); write('\t \n\n\t' + _libraryname + ' is a customized Web Application '); write('Enhancements Library developed by ' + _libauthor + ' \n\tfor '); write('' + _libownernam + ', an Internet and Systems Solutions '); write('Company. \n\t \n\n\tIf you have any questions, or would '); write('like more information, about our products and \n\tservices, please '); write('visit our Web Site at ' + _libownerurl + '. \n\tOur email '); write('address is '); write(_libownereml + '. \n'); write('\t\n\t
\n'); write('\t' + CloseLink + '\n\t

\n

\n\n'); write('\n\n'); close(); } } // =========================================================================== // Center() // Description: Places a window in the center of the screen // Parameters: Handle // Syntax: Center() // Requires: _errortrap // Returns: Nothing // function Center(Handle) { var Handle; // ----[ Error Trap ]--------------------------------------------------------- if (! Handle) { var topic = "Center"; var param = ""; var error = "Missing Object Handle"; _errortrap(topic, param, error); } else { // ----[ Procedures ]--------------------------------------------------------- with (Handle) { if (window.resizeTo) { document.write(); resizeTo(WindowWidth, WindowHeight); } moveTo(HPosition, VPosition); focus(); } } } // =========================================================================== // =========================================================================== // GetDimension() // Description: Calculate the maximum dimension for a work area // Parameters: WorkAreaSize, ObjectSize, [ObjectPadding] // Syntax: GetDimension(,,[]) // Requires: _errortrap // Returns: ObjectSize () // function GetDimension(WorkAreaSize, ObjectSize, ObjectPadding) { var WorkAreaSize; var ObjectSize; var ObjectPadding; // ----[ Error Trap ]--------------------------------------------------------- if (! WorkAreaSize || ! ObjectSize) { var topic = "GetDimension"; var param = ", [, ]"; var error = "Missing Parameter(s)"; _errortrap(topic, param, error); } else { // ----[ Procedures ]--------------------------------------------------------- if (! ObjectPadding) { ObjectPadding = 0; } if (WorkAreaSize <= (ObjectSize + ObjectPadding)) { return(ObjectSize = (WorkAreaSize - (ObjectPadding / 2))); } else { return(ObjectSize = (ObjectSize + ObjectPadding)); } } } // =========================================================================== // =========================================================================== // GetPosition() // Description: Calculate a Screen Coordinate for Object placement // Parameters: WorkAreaSize, ObjectSize // Syntax: GetPosition(,) // Requires: _errortrap // Returns: Coordinate () // function GetPosition(WorkAreaSize, ObjectSize) { var ObjectSize; var WorkAreaSize; // ----[ Error Trap ]--------------------------------------------------------- if (! WorkAreaSize || ! ObjectSize) { var topic = "GetPosition"; var param = ", "; var error = "Missing Parameter(s)"; _errortrap(topic, param, error); } else { // ----[ Procedures ]--------------------------------------------------------- return(Coordinate = (WorkAreaSize / 2) - (ObjectSize / 2)); } } // =========================================================================== // =========================================================================== // HTMLFooter() // Description: Write HTML code for Document Footer // Parameters: Handle // Syntax: HTMLFooter() // Requires: _errortrap // Returns: Nothing // function HTMLFooter(Handle) { var Handle; // ----[ Error Trap ]--------------------------------------------------------- if (! Handle) { var topic = "HTMLFooter"; var param = ""; var error = "Missing Object Handle"; _errortrap(topic, param, error); } else { // ----[ Procedures ]--------------------------------------------------------- with (Handle.document) { write('\n\n'); } } } // =========================================================================== // =========================================================================== // HTMLHeader() // Description: Write HTML code for Document Header // Parameters: Handle, [Attrib] // Syntax: HTMLHeader([,[,]]) // Requires: _errortrap // Returns: Nothing // function HTMLHeader(Handle, Title, Attrib) { var Handle; var Attrib; var Title; // ----[ Error Trap ]--------------------------------------------------------- if (! Handle) { var topic = "HTMLHeader"; var param = "[, [, ]]"; var error="Missing Object Handle"; _errortrap(topic, param, error); } else { // ----[ Procedures ]--------------------------------------------------------- if (! Title) { Title = "Dynamic Window"; } if (! Attrib) { Attrib = 'body bgcolor="#FFFFFF" link="#000080" vlink="#800000" alink="#008000" text="#000000"' } with (Handle.document) { write('\n'); write('\n\n') write('\t\n'); write('\t\n'); write('\t\n'); write('\t\n'); write('\t' + Title + '\n\n'); write('\n\n\n'); write('\n'); } } } // =========================================================================== // =========================================================================== // SupportedFileType() // Description: Test for filetype support in a Web Browser and report // the results. // Parameters: FileType // Syntax: SupportedFileType() // Requires: _errortrap // Returns: Nothing // function SupportedFileType(FileType) { var FileType; var SupportState = "File Type not supported."; // ----[ Error Trap ]--------------------------------------------------------- if (! FileType) { var topic = "SupportedFileType"; var param = ""; var error="Missing File Type"; _errortrap(topic, param, error); } else { // ----[ Procedures ]--------------------------------------------------------- for (var i = 0; i < navigator.mimeTypes.length; i++) { var ExtensionsTable = navigator.mimeTypes[i].suffixes; if (ExtensionsTable.indexOf(FileType.toLowerCase()) != -1 && navigator.mimeTypes[i].enabledPlugin) { SupportState = "File Type suppored by: " + navigator.mimeTypes[i].enabledPlugin.name; } } alert('.' + FileType.toUpperCase() + ' - ' + SupportState); } } // =========================================================================== // =========================================================================== // _errortrap // Description: Display an alert message for runtime errors // Parameters: _source, _params, [_error] // Syntax: _errortrap(,[,]) // Requires: Nothing // Returns: Nothing // function _errortrap(_source, _params, _error) { var _source, _params, _error; if (! _source || ! _params) { _source = "_errortrap"; _params = ", [, ]" if (! _source) { _error = "Missing Function Name" } if (! _params) { _error = "Missing Parameter(s) List"} } if (_error) { _lineA = "ERROR: " + _source + "() - " + _error + "\n"; } else { _lineA = "ERROR: " + _source + "() - Unspecified Error\n"; } _lineB = " USAGE: " + _source + "(" + _params + ")\n"; alert(_lineA + _lineB); } // ===========================================================================