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117 lines
3.3 KiB
117 lines
3.3 KiB
var ajax, previd, nextid;
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function init() {
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initAjax();
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if (!document.importNode) {
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document.importNode = function(node, allChildren) {
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switch (node.nodeType) {
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case 1:
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var newNode = document.createElement(node.nodeName);
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if (allChildren && node.childNodes && node.childNodes.length > 0) {
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il=node.childNodes.length;
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for (var i = 0; i < il; i++)
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newNode.appendChild(document.importNode(node.childNodes[i], allChildren));
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}
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return newNode;
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break;
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default:
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return document.createTextNode(node.nodeValue);
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break;
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}
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};
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}
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nextid=(document.getElementById("next_image")!=null)?document.getElementById("next_image").alt:-1;
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previd=(document.getElementById("prev_image")!=null)?document.getElementById("prev_image").alt:-1;
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}
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function initAjax() {
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try
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{
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ajax = new XMLHttpRequest(); // nowoczesne przegladarki
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ajax.overrideMimeType('text/xml');
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}
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catch(e) // IE <= 6
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{
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var XmlHttpVersions = [
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'MSXML2.XMLHTTP.6.0',
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'MSXML2.XMLHTTP.5.0',
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'MSXML2.XMLHTTP.4.0',
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'MSXML2.XMLHTTP.3.0',
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'MSXML2.XMLHTTP',
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'Microsoft.XMLHTTP'
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];
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for (var i=0; i < XmlHttpVersions.length && null === ajax; i++)
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{
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try
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{
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ajax = new ActiveXObject(XmlHttpVersions[i]);
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} catch (e) {}
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}
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if (null === ajax)
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{
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throw new Error('AJAX Error');
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}
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}
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return true;
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}
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function response() {
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if (ajax.readyState != 4 || ajax.status != 200)
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return;
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var xml = ajax.responseXML;
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document.getElementById("curr_image").parentNode.href=document.getElementById("curr_image").src='images/upload/'+xml.getElementsByTagName("current")[0].getAttribute("src");
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document.title = 'Podgląd zdjęcia nr ' + xml.getElementsByTagName("current")[0].getAttribute("id");
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document.getElementById("author").firstChild.nodeValue=xml.getElementsByTagName("author")[0].firstChild.nodeValue;
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desc=document.getElementById("description");
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while(desc.hasChildNodes()) desc.removeChild(desc.firstChild);
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children=document.importNode(xml.getElementsByTagName("desc")[0], true).childNodes;
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for(i=0; i<children.length; i++) {
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desc.appendChild(children[i]);
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}
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document.getElementById("current").src=xml.getElementsByTagName("current")[0].getAttribute("src");
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if(xml.getElementsByTagName("next").length>0) {
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document.getElementById("next_image").src='images/upload/'+xml.getElementsByTagName("next")[0].getAttribute("thumb");
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nextid=xml.getElementsByTagName("next")[0].getAttribute("id");
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document.getElementById("next_image").alt=nextid;
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document.getElementById("next").style.display="block";
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}
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else {
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document.getElementById("next").style.display="none";
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nextid=-1;
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}
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if(xml.getElementsByTagName("prev").length>0) {
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document.getElementById("prev_image").src='images/upload/'+xml.getElementsByTagName("prev")[0].getAttribute("thumb");
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previd=xml.getElementsByTagName("prev")[0].getAttribute("id");
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document.getElementById("prev_image").alt=previd;
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document.getElementById("prev").style.display="block";
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}
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else {
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document.getElementById("prev").style.display="none";
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previd=-1;
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}
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}
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function previewImage(el) {
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if(el==-1) return 0;
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ajax.onreadystatechange = response;
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ajax.open('GET', path+ '/ask.php?id=' + el, true);
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ajax.send(null);
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}
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function prev() {
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previewImage(previd);
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}
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function next() {
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previewImage(nextid);
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}
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