function xmlhttpPost2(strURL) {
    var xmlHttpReq = false;
    var self = this;
    // Mozilla/Safari
    if (window.XMLHttpRequest) {
        self.xmlHttpReq = new XMLHttpRequest();
    }
    // 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) {
            updatepage(self.xmlHttpReq.responseText);
        }
    }
    self.xmlHttpReq.send(getquerystring2());
}

function getquerystring2() {
    var form     = document.forms['f1'];
    var varsendto = form.sendto.value;
    var varsubject = form.subject.value;
    var varbody = form.body.value;
	var varchangetype = form.changetype.value;
	var varwho = form.who.value;
    qstr = 'who='+escape(varwho)+'&changetype='+escape(varchangetype)+'&sendto=' + escape(varsendto)+'&subject='+ escape(varsubject)+'&body='+ escape(varbody);  // NOTE: no '?' before querystring
    return qstr;
}

function updatepage(str){
    document.getElementById("sparediv").innerHTML = str;
}