//##################################################################################
//## FORM SUBMIT WITH AJAX                                                        ##
//## @Author: Simone Rodriguez aka Pukos <http://www.SimoneRodriguez.com>         ##
//## @Version: 1.2                                                                ##
//## @Released: 28/08/2007                                                        ##
//## @License: GNU/GPL v. 2 <http://www.gnu.org/copyleft/gpl.html>                ##
//##################################################################################


function xmlhttpPost(strURL,responsediv,responsemsg) {
    var xmlHttpReq = false;
    var self = this;

    // Xhr per Mozilla/Safari/Ie7
    if (window.XMLHttpRequest) {
        self.xmlHttpReq = new XMLHttpRequest();
    }
    // per tutte le altre versioni di IE
    else if (window.ActiveXObject) {
        self.xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
    }

    self.xmlHttpReq.open('POST', strURL, true);
    self.xmlHttpReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    self.xmlHttpReq.onreadystatechange = function() {
    if (self.xmlHttpReq.readyState == 4) {
			// Quando pronta, visualizzo la risposta del form
            updatepage(self.xmlHttpReq.responseText,responsediv);
        }
		else{
			// In attesa della risposta del form visualizzo il msg di attesa
			updatepage(responsemsg,responsediv);

		}
    }
    self.xmlHttpReq.send(strURL);
}

function updatepage(str,responsediv){
    document.getElementById(responsediv).innerHTML = str;
}