Check availability using AJAX

[ravii]

hello,

I am new to the ajax

In my site i want to keep the check availability of user name same as in yahoo SIGN UP

can anyone tell me

how to develop the check availability of user name same as the Yahoo Sign UP

[edit.india.yahoo.com...]

and can one suggest me the best tutorial for the ajax other than www.w3schools.com

thanks in advance
Swetha

[eelixduppy]

I'm assuming you'll be using PHP to check availability? If so, here is a nice tutorial for the basics: [news.php.net...]

Try to get your best-effort code together and if you are still having trouble post it here.