Question

How do i load the following in cdn and if they fail i would wnat my local file to load if this fails

1. Google’s CDN : jquery.min.js and jquery-ui.min.js.
2. Microsoft’s CDN : jQuery.Validate.min.js

Answer 1

fOR jQUERY

<script type="text/javascript" src="http://ajax.microsoft.com/ajax/jquery/jquery-1.3.2.min.js"></script>
<script type="text/javascript">
if (typeof jQuery == 'undefined')
{
    document.write(unescape("%3Cscript src='/scripts/jquery-1.3.2.min.js' type='text/javascript'%3E%3C/script%3E")); //local
}
</script>

For Jquery Ui

if (jQuery.ui) {
     document.write(unescape("%3Cscript src='/scripts/jqueryui-1.8.2.min.js' type='text/javascript'%3E%3C/script%3E")); //local
}

For Jquery validate

if(!jQuery().validate) {
    document.write(unescape("%3Cscript src='/scripts/jquery.validate.min.js' type='text/javascript'%3E%3C/script%3E")); //local
} 

Links
MS validate.js – http://ajax.microsoft.com/ajax/jQuery.Validate/1.6/jQuery.Validate.min.js

Google jquery.min.js – http://ajax.googleapis.com/ajax/libs/jquery/1.4.0/jquery.min.js

Google jquery.ui.js – http://ajax.googleapis.com/ajax/libs/jqueryui/1.7.2/jquery-ui.min.js

Google JqueryUi theme- (change base to one of the core theme name) http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.9/themes/base/jquery-ui.css