function post(URL, PARAMS) {
    var temp=document.createElement("form");
    temp.action=URL;
    temp.method="POST";
    temp.style.display="none";
    for(var x in PARAMS) {
       var opt=document.createElement("textarea");
       opt.name=x;
       opt.value=PARAMS[x];
       temp.appendChild(opt);
    }
    document.body.appendChild(temp);
    temp.submit();
    return temp;
}