// JavaScript Document
var div_id = "";
function xmlhttpPost(strURL, strContent) {
    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(strContent);
}

function go(which,url,_div_id)
{
 div_id = _div_id; 
 xmlhttpPost(url,which.name+which.value);
}

function goLink(url,_div_id,_values_)
{
 div_id = _div_id;
 xmlhttpPost(url,_values_);
}

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