Knowledge Base Contributions

Below is a list of the knowledge base entries that Martin Honnen has contributed to:

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• How can I find the screen size/resolution?
  How can I find the screen size/resolution?
  How can I find the color depth?
  How can I find the window size?
  

• How do I avoid the line breaks before and after a FORM element?
  

• Can I check the size of a selected file before uploading?
  Can I check the dimensions of a selected image before uploading?
  Is there a way to get rid of this ActiveX alert at the first time your running this script ?
  

• How can I move a layer in a circle?
  

• How do you change the content of a TABLE cell (TD element)?
  How do you change the content of a TABLE cell (TD element)?
  

• How do I change the content and/or style of an inline element?
  

• How do I reverse a string?
  

• How can I index form elements with a name like "field-name"?
  How can I index form element names consisting of a prefix plus a changing number?
  

• How can I trim (remove leading and trainling withespace from) a string?
  how to remove spaces in javascript
  

• (How) Can I make a layer a link target (NN4)?
  (How) Can I make a layer a link target (NN4)?
  

• Is there a limit on the number of windows I can open?
  

• How do I convert the field input to lower/upper case?
  

• How do I convert a String to lower case?
  

• How do I convert a String to upper case?
  

• (How) Can I convert the key pressed (for instance to upper case)?
  (How) Can I convert the key pressed (for instance to upper case)?
  How can i convert the Turkish letter(ý,Ý,Ö,ö,Ç,ç,Þ,þ,Ð,ð) into English (i,I,O,o,C,c,S,s,G,g) when I'
  

• How can I ensure my page is always framed?
  How can I ensure my page is always framed?
  

• How do I change the height/width of a TABLE row?
  

• How do I find all cells in a TABLE row?
  How do I find all cells in a TABLE row?
  How do I find all cells in a TABLE row?
  

• How do I find all the rows in a TABLE?
  How do I find all the rows in a TABLE?
  How do I find all the rows in a TABLE?
  

• How do I find all TABLEs in a document?
  How do I find all TABLEs in a document?
  How do I find all TABLEs in a document?
  

• How can I run a Java applet after I've used javascript to ensure java is enabled?
  

• How do I clear a form?
  How do I reset a FORM?
  

• How to read the META elements?
  How to read the META elements?
  How can I set keyword/content pair inner META tag Programmably?
  How can I set keyword/content pair inner META tag Programmably?
  

• How do I execute an application on the client machine - taking into account the security issues?
  

• How can I specify the width and/or height of a button?
  How can I specify the font size of the button?
  How can I further style a button?
  

• (How) can I set the background color of a text field/text area?
  

• How do I use the system colors in my web page?
  

• How can I check whether document.formName.fieldName is an array or a single object?
  

• How can I check whether an object is an Array?
  

• How do I get the character from the (ascii/iso/uni) char code?
  

• Can I read the content of a layer with NN4?
  

• How do I script a text mouseover effect?
  How do I script a text or link mouseover effect for NN4?
  How do I script a link mouseover effect for NN4?
  

• How do I get rid off the dashed focus border IE (and NN6) draw around clicked links?
  

• Can I specify the file type to be uploaded and to be preselected in the file select dialog?
  

• Can JavaScript send user:password to open an htaccess protected page?
  Can JavaScript send user:password to access a htaccess protected page?
  Does this work at all? (No success so far when accessing NS server using Communicator)
  

• Can client side JavaScript read (or even write) user settings?
  

• How can I distinguish onmouseover/out of child elements from those of the parent element (IE4 /NN6)?
  Why does my layer's onmouseover/out fire when the mouse moves over a child element (IE4 /NN6)?
  Why does my layer's onmouseover/out fire when the mouse moves over a child element (IE4 /NN6)?
  

• How do I pause execution in JavaScript?
  How do I pause execution in JavaScript?
  Is there a wait statement in JavaScript?
  Is there a sleep method to pause execution?
  Is there a sleep method to pause execution?
  setTimeout does not work well when called recursively in NN 6.0. Works fine with IE 5.0 and above
  

• How can I delete all OPTIONs from a SELECT list?
  

• How can I remove the mark up from an HTML element's content?
  

• How to get the dimensions of an HTML element?
  How do I find the width/height of a layer/positioned element?
  

• How can I detect whether JavaScript is enabled?
  

• How can I check whether a variable is defined?
  How can I check whether a variable is undefined?
  

• How do I select all the text in a text field/area?
  

• How can I reflect inputted text into a text element?
  How can I reflect inputted text into a text element?
  

• How can I color the table row a checkbox is in?
  How can I color the table row a checkbox is in?
  

• How do I dynamically create a new layer in another frame?
  How do I dynamically create a new layer in another frame?
  

• How can I indent OPTIONs, fill them with blanks?
  

• How to read all of client capabilities with IE5 browser?
  

• How to collect user profile using IE Profile Assistant?
  

• How do I reset all forms in a document including those in layers?
  

• How do I dynamically create a new layer?
  

• Can I draw bar charts?
  

• Can I draw line charts?
  

• Is it possible to call a method in a super class?
  

• How can I scroll a text across the page?
  How can I scroll a text in a certain area?
  

• How do I get NN4 to show a scrollbar if layer content extends beyond original document length?
  

• How can I sort an Array of Objects?
  How can I sort an Array?
  

• How do I create an Array of Objects?
  How do I create an Array of Objects?
  

• How do I create an Array?
  

• How do I create an Object?
  

• How can I open Navigator in kiosk mode?
  

• Why do I get "access denied"-error in IE when calling a function in another frame?
  

• How can I dynamically scale text in relation to window size?
  

• How to make the mouseover navigation bar like the one at the top of http://www.perlarchive.com/guide/
  

• How can I have dynamic borders with layers in NN4?
  How to build buttons with NN4?
  

• How can I check which encryption strength the browser supports?
  

• How can I split a string?
  

• Can I capture function keys?
  

• How can I dynamically create a SELECT list when the document loads?
  

• How to dynamically load and execute a .js file
  

• How do I automatically close window if it loses focus?
  I implemented this technique to automatically close popup windows on my site. However in IE5+ the po
  

• Can JavaScript generate a listing of links to all files in a directory?
  Using the server-side javascript example to generate a directory listing, the page returns the full
  

• Why is window.opener not working?
  

• Is there a browser wide windows array?
  Are windows globally accessible?
  How to check whether a named window already exists?
  

• How can I find the index of a FORM element in the elements array?
  

• How can I define a tab order along columns?
  

• How can I validate the format of an email address?
  

• How can I specify the width of a SELECT element?
  How do I fix the maximum width even when the list items are much wider?
  how do i add horizantal scrollbar to select/option if length of text is more than the width property
  

• Where can I get a JavaScript interpreter?
  

• How to print an image when it is clicked?
  

• How to script a rubber band?
  

• Why is my css positioning not working with NN4?
  Why is my css positioning not working with NN4?
  

• How can I send a HTTP POST request to a server?
  

• How can I change an IMG that is in a(nother) layer?
  How can I change an IMG that is in a(nother) layer?
  

• What is the difference between JavaScript, JScript and ECMAScript?
  

• Which browsers support JavaScript entities?
  Are HTML Script Macros supported by any browser?
  

• What is "if (document.images)" good for?
  Which browsers don't know the document.images array?
  

• How can I set the margins of a page?
  How can I set the page margins to 0?
  How can I set the page margins to 0?
  

• How do I preload images?
  

• Why does my key event handling for NN4 not work on Linux?
  

• How do I access constants of a DOM interface with JavaScript?
  How do I access the different node types?
  

• How can I close a window after a certain amount of time?
  

• How can I add a page to the favorites/bookmark list?
  How can I add a page to the favorites/bookmark list?
  How can I add a page to Bookmark in Netscape7
  How can I add a page to Bookmark in Netscape7
  

• What is "new ActiveXObject('Program.ID')" good for?
  

• How can I check from a window whether the opener window has been closed?
  

• What is IE's document.designMode good for?
  

• From current window, how can you tell when a document fetched with window.open is done loading?
  

• Can I load an external html file into a layer?
  

• How can I load several layers in a row with NN4?
  

• Can JavaScript use Java classes?
  

• How can client side JavaScript read text files on a web server?
  

• How can I embed an external URL into an HTML document?
  How can I embed an external URL into an HTML document?
  

• How can I set/change the tabbing order of form elements?
  how do i keep the intermittent onblurr loop from occuring in netscape with this solution ?
  

• How can my applet call into JavaScript?
  

• How can I prevent a form being submitted when enter is pressed inside a text field?
  How can I prevent a form being submitted when enter is pressed inside a text field?
  

• How can I let a FORM being submitted with the enter key?
  The keydown event does not work on NN4 when the focus is on some other control on the form other tha
  

• Can I call the onchange handler of a form element?
  Can I call the onchange handler of a form element?
  

• How can I change the map associated with an IMG element?
  How can I change the map associated with an IMG element?
  

• How can I reference an applet when it is in a layer?
  

• How can I avoid the hourglass cursor staying around after someone hit a javascript: link?
  

• How can I capture key presses?
  

• What are prototypes?
  What is prototype inheritance?
  

• JavaScript: How can client-side JavaScript retrieve the HTML of the file that it's in?
  

• How can I set the title of a HTML page?
  

• How can I add OPTIONs to a SELECT list?
  How can I delete OPTIONs from a SELECT list?
  I did not understand How to delete item from select online
  

• How do I get the height /width of the client area of the browser window?
  How do I find the outer width/height of a window?
  

• How can I grey out a text field?
  

• How can I change the display element of an attribute?
  

• JavaScript: How to autocomplete a text field?
  JavaScript: How to connect a text field and a select element?
  JavaScript: How to connect a text field and a select element?
  

• How do I break out of a frameset without getting a tranfer interrupted message?
  

• How can I set the caret to the end of a text field/text area?
  How can I set the caret to the beginning of a text field/text area?
  

• How can I display a number with two decimals always?
  How can I round a number to two decimals?
  How can I round a number to n decimals?
  

• How can I resize a client side image?
  How can I resize a client side image?
  

• How can I change my cursor to a user defined graphic?
  

• How to scroll a page down/up?
  How to scroll a page down/up?
  

• How to convert a hexadecimal number to a decimal one?
  How to convert a binary number to a decimal one?
  How to convert a number from a certain number system to a decimal one?
  

• How to covert a decimal number to a hexadecimal format?
  How to convert a decimal number to a binary format?
  How to convert a decimal number to another numerical system?
  

• How can I hide form elements?
  How can I hide form elements?
  

• Why can't I change a string?
  

• Can I put my client side JavaScript in a separate file and link it into a HTML document?
  

• Is there a click method for links (A HREF elements)?
  

• How can I cancel a key press?
  Can I filter out particular keys in text field/text area input?
  

• Can I change the display style attribute of a page element in NN4?
  Why is my IE4/5 collapsible list code not working with NN4?
  

• Is there a way to prevent the context menu from appearing when the right mouse button is clicked in IE4? I am aware of IE5's capability to do this.
  

• Can I capture closing the window?
  Can I ask for confirmation closing the window?
  

• (How) Can I change the cursor?
  (How) Can I change the cursor?
  

• Can I clear the history list?
  Can I disable the back button?
  

• How can I right align text in a text field?
  

• Can I read from the clipboard and write to it?
  Can I copy a string (e.g. containing the value of document.myForm.outerHTML) to the windows clipboar
  

• How to size an IFRAME according to its content?
  

• How can I add/combine two event handlers?
  

• How to add a FORM to a layer?
  How to add a FORM to a layer?
  

• Why are my form elements on top of all layers?
  Why are my form elements on top of all layers?
  Why is my APPLET on top of all layers?
  

• How can I handle JavaScript errors?
  How can I suppress JavaScript error messages?
  How can javascript 1.5 use window.onerror
  Where is there full documentation on javascript 1.5 events
  

• How can I access the LABEL text for a INPUT field with DOM methods?
  How can I access the LABEL text for a INPUT field with DOM methods?
  

• How can I store the caret(cursor) position of a text field/text area?
  How can I insert text at the caret(cursor) position of a text field/text area?
  

• How can I center my page content horizontally and vertically?
  How can I center my page vertically and horizontally?
  

• How do I attach an event handler with js?
  

• How can I add a method to an existing object "class" like Strings/Dates etc?
  

• How can I access public members of an applet from JavaScript?
  How to call a JApplet method from within JavaScript using <Object> with IE5 browser? Please show ex
  

• How can I script HTML custom attributes?
  

• How to get the page coordinates of a HTML element?
  How to get the page coordinates of a HTML element?
  

• How can attach events to arbritrary HTML elements with NN4
  How can attach events to arbritrary HTML elements with NN4
  

• Why does my IE form (processing) code not work with NN?
  Why does my IE form (processing) code not work with NN?
  

• How can I let the enter key tab to the next input field?
  How can I let the enter key tab to the next input field?
  

• How can I dynamically change the background image?
  How can I dynamically change the background image?
  

• How can I capture right mouse button events?
  How can I capture right mouse button events?
  

• Why does it seem that ONUNLOAD doesn't fire with NN when the window is closed??
  

• Can I disable the window's close (X) button?
  

• How can I change the text color of the whole document?
  How can I change the text color of the whole document?
  

• Why does my onmouseover for IMGs not work with NN2/3/4 and IE3
  I have noticed onMouseOut to undo onClick such that the object does not remain clicked.
  

• How can I script one frame from another?
  How can I script one window from another?
  

• How to script a mouseover/out/click event for a table row?
  How to script a mouseover/out/click event for a table row?
  

• How can I script a mouseover/out/click handler for a table cell?
  How can I script a mouseover/out/click handler for a table cell?
  

• How to move a layer on top of a table row (IE only)?
  How to move a layer on top of a table row (IE only)?
  

• How to reference a FORM in a layer/positioned element?
  How to reference a FORM in a layer/positioned element?
  

• How do I generate a printable page of form data inputted?
  How do I hide certain fields and their values on the preview window (like the referrer field etc.?)
  

• How can I open a local file in a window from a http: loaded page?
  How can I display a selected file before uploading?
  

• How to display text at an angle with NN4?
  

• How to read inner/outerHTML with NN6?
  How to insert unparsed HTML with NN6?
  How to set innerHTML with NN6?
  

• How do I parse the query string?
  How do I parse the query string constructed by a GET FORM submission?
  

• How can I display text at an angle?
  How can I display text at an angle?
  

• How can I display a last modified date for a link?
  

• How can I find the difference in days between two dates?
  

• How do I submit a FORM with an image button?
  

• How can I load a different IMG depening on the time of the day?
  

• Can I have js generated HTML attributes or tags?
  

• Does SELECT with Netscape support onclick?
  I have select with size 10 and multiselect, I want the elements to be selected on click and Unselect
  I want click select and click again unselect in IE5.0 list with 10 elements
  

• Can I (pre)set the value of a INPUT TYPE="file" element?
  

• How do I use quotes inside a string?
  

• How can I access a function in an IFRAME from the containing window?
  

• How can I convert a string to a number?
  How can I add form field numerical values?
  

• How to capture mouse move events in the document/window?
  

• How to flip an image horizontally or vertically?
  

• How to replace an element's content with DOM methods?
  

• How to refresh/reload the current document?
  How to refresh/reload the current document?
  

• How to get a random index to an Array?
  How to get a random index to an Array?
  

• How do I print a document automatically when it is loaded?
  How can I print a window automatically when the document is loaded?
  

• How to print a window with JavaScript?
  How to print a document with JavaScript?
  

• How to pass data back and forth between two windows?
  How to pass data back and forth between forms in two different windows?
  

• How to pass data back and forth between a window and a modal dialog?
  How to pass data back and forth between forms in a main window and a modal dialog?
  

• How to position a window on the screen?
  

• How to disable a text field/text area?
  

• How to rewrite a relatively positioned element (in NN4 particularly)?
  

• How to ensure a FORM is only submitted once?
  this.submitted is already true, why do we still need disableSubmit(this)?
  

• How to check if the browser accepts cookies?
  

• How to enforce a page break in a HTML document when printing?
  

• How to submit a FORM to a new window with certain features set?
  

• How to hide the menubar/toolbar/locationbar/statusbar of an existing window?
  

• How to break out of frames?
  

• How to set the browser's home page/start up page?
  

• How to check if an image is loaded?
  How to execute code when an image is loaded?
  How to handle errors when an IMG/Image is attempted to load?
  

• How to place a window relative to an event occuring?
  

• How to have a floating link (that is repositioned when scrolling)?
  

• How to open a floating window?
  

• How to open a modal window?
  

• How to open a window maximized?
  

• How to change the size of a FRAME in a FRAMESET?
  How to change the FRAMESET dimensions?
  Ive frameset inside frameset. I want to resize the inner frameset using javascript in Netscape & IE.
  In NS 4.77 I get the following: "...the request line contained invalid characters... any ideas?
  The fix for NN 6.2.x allows you to set values for .col and .row. Doesn't affect the frameset
  

• How to document.write SCRIPT sections?
  

• How to run trusted scripts with NN4?
  

• How do you open a window without a titlebar?
  

• How do I get the last modified date of an IMG element?
  
  
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