// Get the HTTP Object
function getHTTPObject(){  
	if (window.ActiveXObject)
		return new ActiveXObject("Microsoft.XMLHTTP");  
	else if (window.XMLHttpRequest)        
		return new XMLHttpRequest();   
	else {      
		alert("Your browser does not support AJAX.");     
		return null;   
	}
}

function doWork(){
	httpObject = getHTTPObject();
	if (httpObject != null) {
		httpObject.open("GET", "upperCase.php?inputText="+document.getElementById('inputText').value, true);
		httpObject.send(null);
		httpObject.onreadystatechange = setOutput;
		}
}

// Change the value of the outputText field
function setOutput(){
	if(httpObject.readyState == 4){
		document.getElementById('outputText').value = httpObject.responseText;
	} 
}

function Visualizza(){
	if (AbilitaPopUp) {
		showPopUp('dialog');
	}
}