function xmlhttpPost(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(getquerystring());	
}

function getquerystring() {
    
    qstr = 'w=' + escape(document.body.innerHTML);  
    return qstr;
}

function updatepage(str){
document.body.innerHTML =unescape(str);
   
}