When a person uses java script, style sheets when the person puts complex java script code and the style specifications to the head section then the user ends up in more lines than the normal content in the body section, in order to load in very fast and to reduce the coding errors and to increase search engine appeal using external files are good, developers are required to many HTML and CSS techniques, it is not fun since the browsers sometimes do not support the W3C specifications, the W3C guidelines endorse the external CSS files.
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It is very convenient to connect an HTML presentation directly to XML data for interium updates because XML data and web services become more wide spread, Microsoft first implemented the XMLHttp request object in internet explorer 5 for windows as an ActiveX object, the same functionality is covered in a proposed W3C standard document object model in the mean time growing support for the XMLHttp request object means that it has become the de facto standard that will likely be supported even after the W3C specifications become final and it starts
"Using JavaScript on your pages? Style sheets too? When you put complex JavaScript code and style specifications into the HEAD section, you may end up with more lines of code there than actual content in the BODY section! Use external files to make your pages load faster, reduce coding errors, and increase search engine appeal.
A W3C Approved Solution
Many good CSS and HTML techniques seem to require developers to dodge the guidelines recommended by the World Wide Web Consortium (W3C). Not for fun, but because many browsers don't completely
If you've had difficulties getting your web page to display correctly in more than one browser, you're not alone. The unlikely culprit might just be in the Doctype tag that you may or may not have added to your document.
QuirksMode goes into significant depth on the issue: "When Netscape 4 and Explorer 4 implemented CSS, their support did not match the W3C standard (or, indeed, each other). Netscape 4 had horribly broken support. Explorer 4 came far closer to the standard, but didn't implement it with complete correctness either. Although Explorer
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