Hi - I have a form on a web page, with one field to enter a code, to search for a property.

On clicking 'submit' I want to be able to run a script asynchronously in the background.

The script will need to run a MYSQL statement which will have one of these results:

1. The property code does not exist, so display a Javascript Alert saying it does not exist.

2. The property is for sale, so call an existing javscript function 'saleSubmit(propertyCode)' to overwrite the exsiting web page with a new page sale.php for that property code

3. The property is for rent, so call an existing javscript function 'rentSubmit(propertyCode)' to overwrite the exsiting web page with a new page rent.php for that property code

My slills are in PHP and MySQL and I have no knowledge of tools like Ajax, jQuery and I am currently having problems getting my head around it. I have spent ages visiting lots of websites looking for examples on how to do this with little success.

Any help would be appreciated.