var req;
var localName;

function loadXMLDoc(url) {
    // branch for native XMLHttpRequest object
    if (window.XMLHttpRequest) {
        req = new XMLHttpRequest();
        req.onreadystatechange = processReqChange;
        req.open("GET", url, true);
        req.send(null);
    // branch for IE/Windows ActiveX version
    } else if (window.ActiveXObject) {
        req = new ActiveXObject("Microsoft.XMLHTTP");
        if (req) {
            req.onreadystatechange = processReqChange;
            req.open("GET", url, true);
            req.send();
        }
    }
}

var old_id=undefined;
function loadImageById(id){
	if(old_id!=undefined)
		document.getElementById(old_id).className='g_link_d';
	document.getElementById(id).className='g_link';
	old_id=id;
	loadXMLDoc("http://wboys.ru/gal.xml?"+id);
	if(document.getElementById("delid"))
		document.getElementById("delid").value=id;
}

function processReqChange() 
{
    // only if req shows "complete"
    if (req.readyState == 4) {
        // only if "OK"
        if (req.status == 200) {
            response = req.responseXML.documentElement;
			
			//check for 'OK'
			if(response.getElementsByTagName('result')[0].firstChild.data=="OK"){
				//gallery

				document.getElementById('imgA').href="/images/gallery/"+response.getElementsByTagName('bimage')[0].firstChild.data+".jpeg";
				document.getElementById('imgI').src="/images/gallery/"+response.getElementsByTagName('simage')[0].firstChild.data+".jpeg";
				if(document.getElementById('imgS').innerHTML=response.getElementsByTagName('atext')[0].firstChild!=null)
					document.getElementById('imgS').innerHTML=response.getElementsByTagName('atext')[0].firstChild.data;
				else
					document.getElementById('imgS').innerHTML="";

				return;
			}else if(response.getElementsByTagName('result')[0].firstChild.data=="Done"){
				//spell checker
				alert('Уведомление отослано');
				return;
			}else if(response.getElementsByTagName('result')[0].firstChild.data=="AUTH"){
				//from online auth. module
				//if cmnt page, write nickname to the hidden field
				if(document.getElementById('userloggedname') != undefined){
					document.getElementById('userloggedname').value = localName;
				}

				return;
			}else{
				//any error
				alert(response.getElementsByTagName('error')[0].firstChild.data);
				return;
			}
        } else {
            alert("There was a problem retrieving the XML data:\n" + req.statusText);
        }
    }
}