function DivOn(name) {
    window.document.getElementById(name).style.visibility="visible";
    window.document.getElementById(name).style.width="auto";
}


function DivOff(name) {
    window.document.getElementById(name).style.visibility="hidden";
    window.document.getElementById(name).style.width="0px";
}

function DivZ(name,z) {
    window.document.getElementById(name).style.zindex=z;
    window.document.getElementById(name).style.visibility="visible";
}


function DivToggle(name) {
    if(window.document.getElementById(name).style.height=="none") {
/*       window.document.getElementById(name).style.height="0px"; 
       window.document.getElementById(name).style.width="0px"; */
       window.document.getElementById(name).style.display="none"; 
    } else {
       /*window.document.getElementById(name).style.display="auto"; 
       window.document.getElementById(name).style.display="auto"; */
       window.document.getElementById(name).style.display="block";
    }
}


/*-----------AJAX--IMPLEMENTATION-------BEGIN-------*/
var req;

function loadAjax(query, elementId)
{
       
        if (window.XMLHttpRequest) {
                req = new XMLHttpRequest();
                // branch for IE/Windows ActiveX version
        } else if (window.ActiveXObject) {
                req = new ActiveXObject("Microsoft.XMLHTTP");
        } else {
                location.href = query;
                return;
        }

        req.onreadystatechange = function()
        {
                if (req.readyState == 4) {
                        if (req.status == 200) {
                                /*response = req.responseText;*/
                                /*response = req.responseXML.documentElement.getElementsByTagName('content')[0].firstChild.data;*/
                                window.document.getElementById(elementId).innerHTML=req.responseText;
                        } else {
                                window.document.getElementById(elementId).innerHTML='<h2 class=ajxError>Загрузка не удалась!</h2><br />';
                                //window.location=host+'?'+chapter;
                        }
                }
        };
        req.open("GET", query, true);
        req.send(null);
}

/*-----------AJAX--IMPLEMENTATION-------END-------*/