Questions About Jquery Ajax

What is the best IDE and what else do I need to create a website that uses the following things?

1)Ruby On Rails and/or PHP (Preferably RoR)
2)Sql,
3)JavaScript (with Ajax and JQuery)
4)HTML5
5)CSS3

Ajax / PHP Live Search || Need help!?

**Index.php**
<script src=”http://ajax.googleapis.com/ajax/libs/jquery/1.3/jquery.min.js” type=”text/javascript”>

$(function() {$(‘input[type=text]‘).focus(function() {$(this).val(”)});});

$(document).ready(function(){
$(“input[type=radio]“).click(function(){
$(“.box”).val(this.value);
});
});

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**get_results.php**

<?php
$dbhost = “###”;
$dbuser = “###”;
$dbpass = “###”;
$dbname = “###”;
//Connect to MySQL Server
mysql_connect($dbhost, $dbuser, $dbpass);
//Select Database
mysql_select_db($dbname) or die(mysql_error());
// Retrieve data from Query String
$search_value_pref = $_GET['search_value'];
$search_value_code = $_GET['search_value'];
$search_value_dName= $_GET['search_value'];
$search_value_profName= $_GET['search_value'];
// Escape User Input to help prevent SQL Injection
$search_value_pref = mysql_real_escape_string($search_value_pref);
$search_value_code = mysql_real_escape_string($search_value_code);
$search_value_dName = mysql_real_escape_string($search_value_dName);
$search_value_profName = mysql_real_escape_string($search_value_profName);
//build query
$query = “SELECT prefix, code, name, lname, fname
FROM Course, Course_Department, Department, Professor
WHERE Course.prefix = ‘$search_value_pref’ AND Course.code=’$search_value_code’
OR Department.name = ‘$search_value_dName’
OR Professor.lname = ‘$search_value_profName’;”;

/*if(is_numeric($search_value_pref))
$query .= ” AND ae_age <= $age”;
if(is_numeric($wpm))
$query .= ” AND ae_wpm <= $wpm”;
//Execute query
*/
$qry_result = mysql_query($query) or die(mysql_error());

//Build Result String
$display_string = ”

“; $display_string .= “”;$display_string .= “”;
$display_string .= “”;// Insert

I need an AJAX code urgently to solve my assignments.I have to create an overlapping menu styles using AJAX.?

I have to create a menu style on a website design which overlaps with each other when clicked on it.
When we click on the a particular menu button the content of that menu has to b shown and the previously opened menu should now be closed to allocate the space for the now opened menu button.I can also Javascript and JQUERY.

How do i make this javascript work twice on the same page?

Hi im trying to add two polls onto the same page but it isnt working. How would i make 2 work on the same page? Any help would be amazing thanks.

heres the site for the poll

http://webdeveloperplus.com/php/ajax-user-poll-using-jquery-and-php/