Parsing XML in PHP
To parse XML easily in PHP,I recommend you to use SimpleXML extension.The below is the sample reference to use SimpleXML extension.
XML.zip
JavaScript code to load XML Document
You can use JavaScript to load XML data using various methods.One common approach is to use the XMLHttpRequest object (XHR) or Fetch API to make an asynchronous HTTP request to fetch the XML data from a server.Here's a basic example using XMLHttpRequest: ....
Seconds to String in PHP
This function will return the duration of given time period in days, hours, minutes, and seconds. For example, if you call SecsToStr(1234567), return “14 days, 6 hours, 56 minutes, 7 seconds”.
Dual Scroller
Scrolls HTML elements within a DIV. A version of the HTML Scroller modified to display a DIV on both the left and right side of the window for both IE and Netscape. 
Confirm The Link Clicked
Allows user to confirm whether to proceed to the link that was clicked.
Select And Deselect All Checkboxes By Javascript
You can select and deselect all checkboxes by clicking two hyperlinks(Select All and Deselect All).This type of functionality will beneeded some times in HTML table.
Javascript Mouse Event Handler Example
Simple, but pretty good reference for studying purpose.