Struts plugin in Eclipse Helios

Go to Eclipse and from menu select Help->Install New Software.
Add the following update site using 'Add' button

http://download.jboss.org/jbosstools/updates/development/

Select Struts present under 'Web and Java EE Development'

AJAX script on JSP

var req;

function getText( ) {
var key = document.getElementById("key");
// var keypressed = document.getElementById("keypressed");
// keypressed.value = key.value;
// var url = "/ajaxdecimalcodeconverter/response?key=" + escape(key.value) + "$idn=" ;
var url = "response.jsp?key=" + key.value + "&idn=" + Math.ceil( Math.random() * 100) ;
if (window.XMLHttpRequest) {
req = new XMLHttpRequest( );
}
else if (window.ActiveXObject) {
req = new ActiveXObject("Microsoft.XMLHTTP");
}
req.open("Get",url,true);
req.onreadystatechange = callbackValue;
req.send(null);
}

function callbackValue( ) {
if (req.readyState==4) {
if (req.status == 200) {
var decimal = document.getElementById('decimal');
decimal.value = req.responseText;

}
}
//clear( );
}
function clear( ) {
var key = document.getElementById("key");
key.value="";
}
function focusIn( ) {
document.getElementById("key").focus( );
}