http://www.developing-php.com/articles Articles and Example Code in PHP/MySQL/Javascript Tue, 22 Jul 2008 01:41:52 +0000 http://backend.userland.com/rss092 en I have been using this code for a while and it seems to work but i don't think it is 100% infallible. It is used to stop robots from submitting your contact forms, or any kind of forms really. The code can be found at :- http://www.phpclasses.org/browse/package/3817.html http://www.developing-php.com/articles/2008/07/21/stop-bots-from-submitting-contact-forms/ I was working with javascript arrays and needed to find a needle in a haystack or a value in an array. I came across this function:- function js_in_array(the_needle, the_haystack){ var the_hay = the_haystack.toString(); if(the_hay == ''){ return false; } ... http://www.developing-php.com/articles/2008/07/20/javascript-version-of-php-in_array/ I often use this code to toggle the visibility of a HTML element on the page. It is especially useful with forms and showing different option depending on what the user selects. Here is the code:- function ToggleVis(element){ var Target=document.getElementById(element); if(Target.style.display==""){ Target.style.display="none"; ... http://www.developing-php.com/articles/2008/07/20/change-the-visibility-of-a-html-element/ In the IWebBiz CMS individual content objects may need their own javascript code to process them. So I load each individual javascript file as needed. The code to do this is:- function dhtmlLoadScript(url) { var e = document.createElement("script"); e.src = url; e.type="text/javascript"; document.getElementsByTagName("head")[0].appendChild(e); } http://www.developing-php.com/articles/2008/07/20/dynamically-load-javascript-code-in-page/ Often we need to see whether a variable is a number. Here is the code:- function IsNumeric(sText) { var ValidChars = "0123456789."; var IsNumber=true; var Char; for (i = 0; i < sText.length && IsNumber == true; i++) ... http://www.developing-php.com/articles/2008/07/20/is-a-variable-a-number/ I recently had a website that needed scrolling pictures from the right to the left. It was a photo album and it achieved this with a marquee tag. I also wanted to increase the speed of the scrolling via javascript so if the users went back to the page it ... http://www.developing-php.com/articles/2008/07/20/scrolling-marquee-text/ Hello there, we have had a PHPBB website for over a year now but it has been plagued with spammers and hackers so i have decided to start anew with a blog. Wordpress seemed the logical system to use as i have had some experience with it so here we ... http://www.developing-php.com/articles/2008/07/19/hello-world/